Home / 25,224.81-34,824.22-15,155.72

Finding the Fourth Proportional to 25,224.81, 34,824.22 and 15,155.72

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Solution

The fourth proportional to 25,224.81, 34,824.22 and 15,155.72 is: 20,923.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,224.81 : 34,824.22 = 15,155.72 : x
  2. Step 2: Convert to fraction form
    25,224.81/34,824.22 = 15,155.72/x
  3. Step 3: Cross multiply
    25,224.81x = 34,824.22 × 15,155.72
  4. Step 4: Simplify right side
    25,224.81x = 527,786,046.12
  5. Step 5: Solve for x
    x = 527,786,046.12/25,224.81
  6. Step 6: Final answer
    x = 20,923.29

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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.