Home / 23,103.17-31,882.22-13,031.70

Finding the Fourth Proportional to 23,103.17, 31,882.22 and 13,031.70

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Solution

The fourth proportional to 23,103.17, 31,882.22 and 13,031.70 is: 17,983.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,103.17 : 31,882.22 = 13,031.70 : x
  2. Step 2: Convert to fraction form
    23,103.17/31,882.22 = 13,031.70/x
  3. Step 3: Cross multiply
    23,103.17x = 31,882.22 × 13,031.70
  4. Step 4: Simplify right side
    23,103.17x = 415,479,526.37
  5. Step 5: Solve for x
    x = 415,479,526.37/23,103.17
  6. Step 6: Final answer
    x = 17,983.66

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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.