Home / 16,254.68-22,437.42-12,742.52

Finding the Fourth Proportional to 16,254.68, 22,437.42 and 12,742.52

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Solution

The fourth proportional to 16,254.68, 22,437.42 and 12,742.52 is: 17,589.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,254.68 : 22,437.42 = 12,742.52 : x
  2. Step 2: Convert to fraction form
    16,254.68/22,437.42 = 12,742.52/x
  3. Step 3: Cross multiply
    16,254.68x = 22,437.42 × 12,742.52
  4. Step 4: Simplify right side
    16,254.68x = 285,909,273.10
  5. Step 5: Solve for x
    x = 285,909,273.10/16,254.68
  6. Step 6: Final answer
    x = 17,589.35

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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.