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Finding the Fourth Proportional to 18,995.53, 26,213.76 and 10,497.41

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Solution

The fourth proportional to 18,995.53, 26,213.76 and 10,497.41 is: 14,486.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995.53 : 26,213.76 = 10,497.41 : x
  2. Step 2: Convert to fraction form
    18,995.53/26,213.76 = 10,497.41/x
  3. Step 3: Cross multiply
    18,995.53x = 26,213.76 × 10,497.41
  4. Step 4: Simplify right side
    18,995.53x = 275,176,533.87
  5. Step 5: Solve for x
    x = 275,176,533.87/18,995.53
  6. Step 6: Final answer
    x = 14,486.39

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Half scale
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Double scale
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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.