Home / 22,723.62-31,356.36-12,651.68

Finding the Fourth Proportional to 22,723.62, 31,356.36 and 12,651.68

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Solution

The fourth proportional to 22,723.62, 31,356.36 and 12,651.68 is: 17,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,723.62 : 31,356.36 = 12,651.68 : x
  2. Step 2: Convert to fraction form
    22,723.62/31,356.36 = 12,651.68/x
  3. Step 3: Cross multiply
    22,723.62x = 31,356.36 × 12,651.68
  4. Step 4: Simplify right side
    22,723.62x = 396,710,475.90
  5. Step 5: Solve for x
    x = 396,710,475.90/22,723.62
  6. Step 6: Final answer
    x = 17,458.07

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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.