Home / 19,808.17-27,331.81-11,306.41

Finding the Fourth Proportional to 19,808.17, 27,331.81 and 11,306.41

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Solution

The fourth proportional to 19,808.17, 27,331.81 and 11,306.41 is: 15,600.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808.17 : 27,331.81 = 11,306.41 : x
  2. Step 2: Convert to fraction form
    19,808.17/27,331.81 = 11,306.41/x
  3. Step 3: Cross multiply
    19,808.17x = 27,331.81 × 11,306.41
  4. Step 4: Simplify right side
    19,808.17x = 309,024,649.90
  5. Step 5: Solve for x
    x = 309,024,649.90/19,808.17
  6. Step 6: Final answer
    x = 15,600.87

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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.