Home / 14,987.30-22,469.31-9,711.17

Finding the Fourth Proportional to 14,987.30, 22,469.31 and 9,711.17

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Solution

The fourth proportional to 14,987.30, 22,469.31 and 9,711.17 is: 14,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.30 : 22,469.31 = 9,711.17 : x
  2. Step 2: Convert to fraction form
    14,987.30/22,469.31 = 9,711.17/x
  3. Step 3: Cross multiply
    14,987.30x = 22,469.31 × 9,711.17
  4. Step 4: Simplify right side
    14,987.30x = 218,203,176.85
  5. Step 5: Solve for x
    x = 218,203,176.85/14,987.30
  6. Step 6: Final answer
    x = 14,559.20

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1.5x scale

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.