Home / 23,158.14-31,959.48-13,087.02

Finding the Fourth Proportional to 23,158.14, 31,959.48 and 13,087.02

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Solution

The fourth proportional to 23,158.14, 31,959.48 and 13,087.02 is: 18,060.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,158.14 : 31,959.48 = 13,087.02 : x
  2. Step 2: Convert to fraction form
    23,158.14/31,959.48 = 13,087.02/x
  3. Step 3: Cross multiply
    23,158.14x = 31,959.48 × 13,087.02
  4. Step 4: Simplify right side
    23,158.14x = 418,254,353.95
  5. Step 5: Solve for x
    x = 418,254,353.95/23,158.14
  6. Step 6: Final answer
    x = 18,060.79

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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.