Home / 16,518.26-24,781.18-7,159.86

Finding the Fourth Proportional to 16,518.26, 24,781.18 and 7,159.86

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Solution

The fourth proportional to 16,518.26, 24,781.18 and 7,159.86 is: 10,741.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,518.26 : 24,781.18 = 7,159.86 : x
  2. Step 2: Convert to fraction form
    16,518.26/24,781.18 = 7,159.86/x
  3. Step 3: Cross multiply
    16,518.26x = 24,781.18 × 7,159.86
  4. Step 4: Simplify right side
    16,518.26x = 177,429,779.43
  5. Step 5: Solve for x
    x = 177,429,779.43/16,518.26
  6. Step 6: Final answer
    x = 10,741.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.