Home / 14,787.62-20,402.06-10,539.36

Finding the Fourth Proportional to 14,787.62, 20,402.06 and 10,539.36

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Solution

The fourth proportional to 14,787.62, 20,402.06 and 10,539.36 is: 14,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,787.62 : 20,402.06 = 10,539.36 : x
  2. Step 2: Convert to fraction form
    14,787.62/20,402.06 = 10,539.36/x
  3. Step 3: Cross multiply
    14,787.62x = 20,402.06 × 10,539.36
  4. Step 4: Simplify right side
    14,787.62x = 215,024,655.08
  5. Step 5: Solve for x
    x = 215,024,655.08/14,787.62
  6. Step 6: Final answer
    x = 14,540.86

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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.