Home / 22,549.16-31,101-19,999.88

Finding the Fourth Proportional to 22,549.16, 31,101 and 19,999.88

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Solution

The fourth proportional to 22,549.16, 31,101 and 19,999.88 is: 27,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,549.16 : 31,101 = 19,999.88 : x
  2. Step 2: Convert to fraction form
    22,549.16/31,101 = 19,999.88/x
  3. Step 3: Cross multiply
    22,549.16x = 31,101 × 19,999.88
  4. Step 4: Simplify right side
    22,549.16x = 622,016,267.88
  5. Step 5: Solve for x
    x = 622,016,267.88/22,549.16
  6. Step 6: Final answer
    x = 27,584.90

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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.