Home / 18,684.59-25,752.11-16,279.52

Finding the Fourth Proportional to 18,684.59, 25,752.11 and 16,279.52

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Solution

The fourth proportional to 18,684.59, 25,752.11 and 16,279.52 is: 22,437.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.59 : 25,752.11 = 16,279.52 : x
  2. Step 2: Convert to fraction form
    18,684.59/25,752.11 = 16,279.52/x
  3. Step 3: Cross multiply
    18,684.59x = 25,752.11 × 16,279.52
  4. Step 4: Simplify right side
    18,684.59x = 419,231,779.63
  5. Step 5: Solve for x
    x = 419,231,779.63/18,684.59
  6. Step 6: Final answer
    x = 22,437.31

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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.