Home / 23,459.12-32,374.10-13,387.36

Finding the Fourth Proportional to 23,459.12, 32,374.10 and 13,387.36

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Solution

The fourth proportional to 23,459.12, 32,374.10 and 13,387.36 is: 18,474.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,459.12 : 32,374.10 = 13,387.36 : x
  2. Step 2: Convert to fraction form
    23,459.12/32,374.10 = 13,387.36/x
  3. Step 3: Cross multiply
    23,459.12x = 32,374.10 × 13,387.36
  4. Step 4: Simplify right side
    23,459.12x = 433,403,602.97
  5. Step 5: Solve for x
    x = 433,403,602.97/23,459.12
  6. Step 6: Final answer
    x = 18,474.85

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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.