Home / 22,656.12-31,260.30-13,226.04

Finding the Fourth Proportional to 22,656.12, 31,260.30 and 13,226.04

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Solution

The fourth proportional to 22,656.12, 31,260.30 and 13,226.04 is: 18,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,656.12 : 31,260.30 = 13,226.04 : x
  2. Step 2: Convert to fraction form
    22,656.12/31,260.30 = 13,226.04/x
  3. Step 3: Cross multiply
    22,656.12x = 31,260.30 × 13,226.04
  4. Step 4: Simplify right side
    22,656.12x = 413,449,978.21
  5. Step 5: Solve for x
    x = 413,449,978.21/22,656.12
  6. Step 6: Final answer
    x = 18,248.93

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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.