Home / 22,809.44-31,471.44-13,376.18

Finding the Fourth Proportional to 22,809.44, 31,471.44 and 13,376.18

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Solution

The fourth proportional to 22,809.44, 31,471.44 and 13,376.18 is: 18,455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,809.44 : 31,471.44 = 13,376.18 : x
  2. Step 2: Convert to fraction form
    22,809.44/31,471.44 = 13,376.18/x
  3. Step 3: Cross multiply
    22,809.44x = 31,471.44 × 13,376.18
  4. Step 4: Simplify right side
    22,809.44x = 420,967,646.30
  5. Step 5: Solve for x
    x = 420,967,646.30/22,809.44
  6. Step 6: Final answer
    x = 18,455.85

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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.