Home / 23,691.23-32,693.80-13,080.78

Finding the Fourth Proportional to 23,691.23, 32,693.80 and 13,080.78

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Solution

The fourth proportional to 23,691.23, 32,693.80 and 13,080.78 is: 18,051.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,691.23 : 32,693.80 = 13,080.78 : x
  2. Step 2: Convert to fraction form
    23,691.23/32,693.80 = 13,080.78/x
  3. Step 3: Cross multiply
    23,691.23x = 32,693.80 × 13,080.78
  4. Step 4: Simplify right side
    23,691.23x = 427,660,405.16
  5. Step 5: Solve for x
    x = 427,660,405.16/23,691.23
  6. Step 6: Final answer
    x = 18,051.42

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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.