Home / 23,158.56-31,937.52-15,611.04

Finding the Fourth Proportional to 23,158.56, 31,937.52 and 15,611.04

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Solution

The fourth proportional to 23,158.56, 31,937.52 and 15,611.04 is: 21,528.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,158.56 : 31,937.52 = 15,611.04 : x
  2. Step 2: Convert to fraction form
    23,158.56/31,937.52 = 15,611.04/x
  3. Step 3: Cross multiply
    23,158.56x = 31,937.52 × 15,611.04
  4. Step 4: Simplify right side
    23,158.56x = 498,577,902.22
  5. Step 5: Solve for x
    x = 498,577,902.22/23,158.56
  6. Step 6: Final answer
    x = 21,528.88

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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.