Home / 23,158.23-31,956.20-13,087.44

Finding the Fourth Proportional to 23,158.23, 31,956.20 and 13,087.44

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Solution

The fourth proportional to 23,158.23, 31,956.20 and 13,087.44 is: 18,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,158.23 : 31,956.20 = 13,087.44 : x
  2. Step 2: Convert to fraction form
    23,158.23/31,956.20 = 13,087.44/x
  3. Step 3: Cross multiply
    23,158.23x = 31,956.20 × 13,087.44
  4. Step 4: Simplify right side
    23,158.23x = 418,224,850.13
  5. Step 5: Solve for x
    x = 418,224,850.13/23,158.23
  6. Step 6: Final answer
    x = 18,059.45

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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.