Home / 16,498.08-22,764.96-9,781.20

Finding the Fourth Proportional to 16,498.08, 22,764.96 and 9,781.20

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Solution

The fourth proportional to 16,498.08, 22,764.96 and 9,781.20 is: 13,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,498.08 : 22,764.96 = 9,781.20 : x
  2. Step 2: Convert to fraction form
    16,498.08/22,764.96 = 9,781.20/x
  3. Step 3: Cross multiply
    16,498.08x = 22,764.96 × 9,781.20
  4. Step 4: Simplify right side
    16,498.08x = 222,668,626.75
  5. Step 5: Solve for x
    x = 222,668,626.75/16,498.08
  6. Step 6: Final answer
    x = 13,496.64

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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.