Home / 18,755.08-25,882.56-10,257.70

Finding the Fourth Proportional to 18,755.08, 25,882.56 and 10,257.70

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Solution

The fourth proportional to 18,755.08, 25,882.56 and 10,257.70 is: 14,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755.08 : 25,882.56 = 10,257.70 : x
  2. Step 2: Convert to fraction form
    18,755.08/25,882.56 = 10,257.70/x
  3. Step 3: Cross multiply
    18,755.08x = 25,882.56 × 10,257.70
  4. Step 4: Simplify right side
    18,755.08x = 265,495,535.71
  5. Step 5: Solve for x
    x = 265,495,535.71/18,755.08
  6. Step 6: Final answer
    x = 14,155.93

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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.