Home / 22,839.93-31,517.36-13,886.19

Finding the Fourth Proportional to 22,839.93, 31,517.36 and 13,886.19

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Solution

The fourth proportional to 22,839.93, 31,517.36 and 13,886.19 is: 19,161.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,839.93 : 31,517.36 = 13,886.19 : x
  2. Step 2: Convert to fraction form
    22,839.93/31,517.36 = 13,886.19/x
  3. Step 3: Cross multiply
    22,839.93x = 31,517.36 × 13,886.19
  4. Step 4: Simplify right side
    22,839.93x = 437,655,822.24
  5. Step 5: Solve for x
    x = 437,655,822.24/22,839.93
  6. Step 6: Final answer
    x = 19,161.88

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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.