Home / 14,320.52-19,760.99-8,031.68

Finding the Fourth Proportional to 14,320.52, 19,760.99 and 8,031.68

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Solution

The fourth proportional to 14,320.52, 19,760.99 and 8,031.68 is: 11,082.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.52 : 19,760.99 = 8,031.68 : x
  2. Step 2: Convert to fraction form
    14,320.52/19,760.99 = 8,031.68/x
  3. Step 3: Cross multiply
    14,320.52x = 19,760.99 × 8,031.68
  4. Step 4: Simplify right side
    14,320.52x = 158,713,948.16
  5. Step 5: Solve for x
    x = 158,713,948.16/14,320.52
  6. Step 6: Final answer
    x = 11,082.97

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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.