Home / 22,808.98-31,489.68-15,158.44

Finding the Fourth Proportional to 22,808.98, 31,489.68 and 15,158.44

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Solution

The fourth proportional to 22,808.98, 31,489.68 and 15,158.44 is: 20,927.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,808.98 : 31,489.68 = 15,158.44 : x
  2. Step 2: Convert to fraction form
    22,808.98/31,489.68 = 15,158.44/x
  3. Step 3: Cross multiply
    22,808.98x = 31,489.68 × 15,158.44
  4. Step 4: Simplify right side
    22,808.98x = 477,334,424.90
  5. Step 5: Solve for x
    x = 477,334,424.90/22,808.98
  6. Step 6: Final answer
    x = 20,927.48

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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.