Home / 16,505.20-22,787.05-10,849.42

Finding the Fourth Proportional to 16,505.20, 22,787.05 and 10,849.42

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Solution

The fourth proportional to 16,505.20, 22,787.05 and 10,849.42 is: 14,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,505.20 : 22,787.05 = 10,849.42 : x
  2. Step 2: Convert to fraction form
    16,505.20/22,787.05 = 10,849.42/x
  3. Step 3: Cross multiply
    16,505.20x = 22,787.05 × 10,849.42
  4. Step 4: Simplify right side
    16,505.20x = 247,226,203.11
  5. Step 5: Solve for x
    x = 247,226,203.11/16,505.20
  6. Step 6: Final answer
    x = 14,978.68

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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.