Home / 15,787.52-23,673.14-5,253.74

Finding the Fourth Proportional to 15,787.52, 23,673.14 and 5,253.74

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Solution

The fourth proportional to 15,787.52, 23,673.14 and 5,253.74 is: 7,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787.52 : 23,673.14 = 5,253.74 : x
  2. Step 2: Convert to fraction form
    15,787.52/23,673.14 = 5,253.74/x
  3. Step 3: Cross multiply
    15,787.52x = 23,673.14 × 5,253.74
  4. Step 4: Simplify right side
    15,787.52x = 124,372,522.54
  5. Step 5: Solve for x
    x = 124,372,522.54/15,787.52
  6. Step 6: Final answer
    x = 7,877.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.