Home / 16,972.68-23,422.38-9,418.52

Finding the Fourth Proportional to 16,972.68, 23,422.38 and 9,418.52

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Solution

The fourth proportional to 16,972.68, 23,422.38 and 9,418.52 is: 12,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.68 : 23,422.38 = 9,418.52 : x
  2. Step 2: Convert to fraction form
    16,972.68/23,422.38 = 9,418.52/x
  3. Step 3: Cross multiply
    16,972.68x = 23,422.38 × 9,418.52
  4. Step 4: Simplify right side
    16,972.68x = 220,604,154.48
  5. Step 5: Solve for x
    x = 220,604,154.48/16,972.68
  6. Step 6: Final answer
    x = 12,997.60

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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.