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Finding the Fourth Proportional to 18,349.84, 25,322.25 and 10,392.76

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Solution

The fourth proportional to 18,349.84, 25,322.25 and 10,392.76 is: 14,341.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.84 : 25,322.25 = 10,392.76 : x
  2. Step 2: Convert to fraction form
    18,349.84/25,322.25 = 10,392.76/x
  3. Step 3: Cross multiply
    18,349.84x = 25,322.25 × 10,392.76
  4. Step 4: Simplify right side
    18,349.84x = 263,168,066.91
  5. Step 5: Solve for x
    x = 263,168,066.91/18,349.84
  6. Step 6: Final answer
    x = 14,341.71

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Half scale
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Double scale
Find fourth proportional to 18,350.84, 25,323.63 and 10,393.76
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.