Home / 25,355.28-34,989.93-14,177.28

Finding the Fourth Proportional to 25,355.28, 34,989.93 and 14,177.28

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Solution

The fourth proportional to 25,355.28, 34,989.93 and 14,177.28 is: 19,564.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.28 : 34,989.93 = 14,177.28 : x
  2. Step 2: Convert to fraction form
    25,355.28/34,989.93 = 14,177.28/x
  3. Step 3: Cross multiply
    25,355.28x = 34,989.93 × 14,177.28
  4. Step 4: Simplify right side
    25,355.28x = 496,062,034.79
  5. Step 5: Solve for x
    x = 496,062,034.79/25,355.28
  6. Step 6: Final answer
    x = 19,564.45

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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.