Home / 16,476.48-22,731.21-9,399.15

Finding the Fourth Proportional to 16,476.48, 22,731.21 and 9,399.15

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Solution

The fourth proportional to 16,476.48, 22,731.21 and 9,399.15 is: 12,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,476.48 : 22,731.21 = 9,399.15 : x
  2. Step 2: Convert to fraction form
    16,476.48/22,731.21 = 9,399.15/x
  3. Step 3: Cross multiply
    16,476.48x = 22,731.21 × 9,399.15
  4. Step 4: Simplify right side
    16,476.48x = 213,654,052.47
  5. Step 5: Solve for x
    x = 213,654,052.47/16,476.48
  6. Step 6: Final answer
    x = 12,967.21

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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.