Home / 16,909.96-23,340.17-9,740.70

Finding the Fourth Proportional to 16,909.96, 23,340.17 and 9,740.70

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Solution

The fourth proportional to 16,909.96, 23,340.17 and 9,740.70 is: 13,444.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.96 : 23,340.17 = 9,740.70 : x
  2. Step 2: Convert to fraction form
    16,909.96/23,340.17 = 9,740.70/x
  3. Step 3: Cross multiply
    16,909.96x = 23,340.17 × 9,740.70
  4. Step 4: Simplify right side
    16,909.96x = 227,349,452.87
  5. Step 5: Solve for x
    x = 227,349,452.87/16,909.96
  6. Step 6: Final answer
    x = 13,444.71

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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.