Home / 16,909.16-23,330.43-10,198.71

Finding the Fourth Proportional to 16,909.16, 23,330.43 and 10,198.71

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Solution

The fourth proportional to 16,909.16, 23,330.43 and 10,198.71 is: 14,071.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.16 : 23,330.43 = 10,198.71 : x
  2. Step 2: Convert to fraction form
    16,909.16/23,330.43 = 10,198.71/x
  3. Step 3: Cross multiply
    16,909.16x = 23,330.43 × 10,198.71
  4. Step 4: Simplify right side
    16,909.16x = 237,940,289.75
  5. Step 5: Solve for x
    x = 237,940,289.75/16,909.16
  6. Step 6: Final answer
    x = 14,071.68

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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.