Home / 18,787.52-25,927.32-10,404.02

Finding the Fourth Proportional to 18,787.52, 25,927.32 and 10,404.02

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Solution

The fourth proportional to 18,787.52, 25,927.32 and 10,404.02 is: 14,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.52 : 25,927.32 = 10,404.02 : x
  2. Step 2: Convert to fraction form
    18,787.52/25,927.32 = 10,404.02/x
  3. Step 3: Cross multiply
    18,787.52x = 25,927.32 × 10,404.02
  4. Step 4: Simplify right side
    18,787.52x = 269,748,355.83
  5. Step 5: Solve for x
    x = 269,748,355.83/18,787.52
  6. Step 6: Final answer
    x = 14,357.85

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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.