Home / 20,031.97-27,646.17-11,534.41

Finding the Fourth Proportional to 20,031.97, 27,646.17 and 11,534.41

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Solution

The fourth proportional to 20,031.97, 27,646.17 and 11,534.41 is: 15,918.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031.97 : 27,646.17 = 11,534.41 : x
  2. Step 2: Convert to fraction form
    20,031.97/27,646.17 = 11,534.41/x
  3. Step 3: Cross multiply
    20,031.97x = 27,646.17 × 11,534.41
  4. Step 4: Simplify right side
    20,031.97x = 318,882,259.71
  5. Step 5: Solve for x
    x = 318,882,259.71/20,031.97
  6. Step 6: Final answer
    x = 15,918.67

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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.