Home / 15,025.92-20,729.25-9,054.19

Finding the Fourth Proportional to 15,025.92, 20,729.25 and 9,054.19

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Solution

The fourth proportional to 15,025.92, 20,729.25 and 9,054.19 is: 12,490.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,025.92 : 20,729.25 = 9,054.19 : x
  2. Step 2: Convert to fraction form
    15,025.92/20,729.25 = 9,054.19/x
  3. Step 3: Cross multiply
    15,025.92x = 20,729.25 × 9,054.19
  4. Step 4: Simplify right side
    15,025.92x = 187,686,568.06
  5. Step 5: Solve for x
    x = 187,686,568.06/15,025.92
  6. Step 6: Final answer
    x = 12,490.86

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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.