Home / 16,500.24-22,770.38-9,789.19

Finding the Fourth Proportional to 16,500.24, 22,770.38 and 9,789.19

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Solution

The fourth proportional to 16,500.24, 22,770.38 and 9,789.19 is: 13,509.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,500.24 : 22,770.38 = 9,789.19 : x
  2. Step 2: Convert to fraction form
    16,500.24/22,770.38 = 9,789.19/x
  3. Step 3: Cross multiply
    16,500.24x = 22,770.38 × 9,789.19
  4. Step 4: Simplify right side
    16,500.24x = 222,903,543.74
  5. Step 5: Solve for x
    x = 222,903,543.74/16,500.24
  6. Step 6: Final answer
    x = 13,509.11

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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.