Home / 16,404.96-22,639.14-9,331.62

Finding the Fourth Proportional to 16,404.96, 22,639.14 and 9,331.62

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Solution

The fourth proportional to 16,404.96, 22,639.14 and 9,331.62 is: 12,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,404.96 : 22,639.14 = 9,331.62 : x
  2. Step 2: Convert to fraction form
    16,404.96/22,639.14 = 9,331.62/x
  3. Step 3: Cross multiply
    16,404.96x = 22,639.14 × 9,331.62
  4. Step 4: Simplify right side
    16,404.96x = 211,259,851.61
  5. Step 5: Solve for x
    x = 211,259,851.61/16,404.96
  6. Step 6: Final answer
    x = 12,877.80

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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.