Home / 25,619.13-38,435.17-7,151.13

Finding the Fourth Proportional to 25,619.13, 38,435.17 and 7,151.13

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Solution

The fourth proportional to 25,619.13, 38,435.17 and 7,151.13 is: 10,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.13 : 38,435.17 = 7,151.13 : x
  2. Step 2: Convert to fraction form
    25,619.13/38,435.17 = 7,151.13/x
  3. Step 3: Cross multiply
    25,619.13x = 38,435.17 × 7,151.13
  4. Step 4: Simplify right side
    25,619.13x = 274,854,897.24
  5. Step 5: Solve for x
    x = 274,854,897.24/25,619.13
  6. Step 6: Final answer
    x = 10,728.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.