Home / 14,042.28-19,381.38-9,576.69

Finding the Fourth Proportional to 14,042.28, 19,381.38 and 9,576.69

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Solution

The fourth proportional to 14,042.28, 19,381.38 and 9,576.69 is: 13,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.28 : 19,381.38 = 9,576.69 : x
  2. Step 2: Convert to fraction form
    14,042.28/19,381.38 = 9,576.69/x
  3. Step 3: Cross multiply
    14,042.28x = 19,381.38 × 9,576.69
  4. Step 4: Simplify right side
    14,042.28x = 185,609,468.03
  5. Step 5: Solve for x
    x = 185,609,468.03/14,042.28
  6. Step 6: Final answer
    x = 13,217.90

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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.