Home / 15,337.26-21,165.66-9,049.64

Finding the Fourth Proportional to 15,337.26, 21,165.66 and 9,049.64

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Solution

The fourth proportional to 15,337.26, 21,165.66 and 9,049.64 is: 12,488.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,337.26 : 21,165.66 = 9,049.64 : x
  2. Step 2: Convert to fraction form
    15,337.26/21,165.66 = 9,049.64/x
  3. Step 3: Cross multiply
    15,337.26x = 21,165.66 × 9,049.64
  4. Step 4: Simplify right side
    15,337.26x = 191,541,497.53
  5. Step 5: Solve for x
    x = 191,541,497.53/15,337.26
  6. Step 6: Final answer
    x = 12,488.64

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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.