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Finding the Fourth Proportional to 18,552.69, 25,602.84 and 10,376.34

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Solution

The fourth proportional to 18,552.69, 25,602.84 and 10,376.34 is: 14,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.69 : 25,602.84 = 10,376.34 : x
  2. Step 2: Convert to fraction form
    18,552.69/25,602.84 = 10,376.34/x
  3. Step 3: Cross multiply
    18,552.69x = 25,602.84 × 10,376.34
  4. Step 4: Simplify right side
    18,552.69x = 265,663,772.81
  5. Step 5: Solve for x
    x = 265,663,772.81/18,552.69
  6. Step 6: Final answer
    x = 14,319.42

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Half scale
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Double scale
Find fourth proportional to 18,553.69, 25,604.22 and 10,377.34
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.