Home / 25,061.68-34,583.79-13,728.97

Finding the Fourth Proportional to 25,061.68, 34,583.79 and 13,728.97

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Solution

The fourth proportional to 25,061.68, 34,583.79 and 13,728.97 is: 18,945.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,061.68 : 34,583.79 = 13,728.97 : x
  2. Step 2: Convert to fraction form
    25,061.68/34,583.79 = 13,728.97/x
  3. Step 3: Cross multiply
    25,061.68x = 34,583.79 × 13,728.97
  4. Step 4: Simplify right side
    25,061.68x = 474,799,815.40
  5. Step 5: Solve for x
    x = 474,799,815.40/25,061.68
  6. Step 6: Final answer
    x = 18,945.25

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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.