Home / 22,521.36-31,077.83-12,449.24

Finding the Fourth Proportional to 22,521.36, 31,077.83 and 12,449.24

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Solution

The fourth proportional to 22,521.36, 31,077.83 and 12,449.24 is: 17,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,521.36 : 31,077.83 = 12,449.24 : x
  2. Step 2: Convert to fraction form
    22,521.36/31,077.83 = 12,449.24/x
  3. Step 3: Cross multiply
    22,521.36x = 31,077.83 × 12,449.24
  4. Step 4: Simplify right side
    22,521.36x = 386,895,364.35
  5. Step 5: Solve for x
    x = 386,895,364.35/22,521.36
  6. Step 6: Final answer
    x = 17,179.04

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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.