Home / 23,161.28-31,962.52-12,550.88

Finding the Fourth Proportional to 23,161.28, 31,962.52 and 12,550.88

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Solution

The fourth proportional to 23,161.28, 31,962.52 and 12,550.88 is: 17,320.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,161.28 : 31,962.52 = 12,550.88 : x
  2. Step 2: Convert to fraction form
    23,161.28/31,962.52 = 12,550.88/x
  3. Step 3: Cross multiply
    23,161.28x = 31,962.52 × 12,550.88
  4. Step 4: Simplify right side
    23,161.28x = 401,157,753.02
  5. Step 5: Solve for x
    x = 401,157,753.02/23,161.28
  6. Step 6: Final answer
    x = 17,320.19

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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.