Home / 25,040.40-34,568.28-15,614.16

Finding the Fourth Proportional to 25,040.40, 34,568.28 and 15,614.16

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Solution

The fourth proportional to 25,040.40, 34,568.28 and 15,614.16 is: 21,555.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,040.40 : 34,568.28 = 15,614.16 : x
  2. Step 2: Convert to fraction form
    25,040.40/34,568.28 = 15,614.16/x
  3. Step 3: Cross multiply
    25,040.40x = 34,568.28 × 15,614.16
  4. Step 4: Simplify right side
    25,040.40x = 539,754,654.84
  5. Step 5: Solve for x
    x = 539,754,654.84/25,040.40
  6. Step 6: Final answer
    x = 21,555.35

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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.