Home / 16,002.90-22,080.60-9,287.64

Finding the Fourth Proportional to 16,002.90, 22,080.60 and 9,287.64

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Solution

The fourth proportional to 16,002.90, 22,080.60 and 9,287.64 is: 12,814.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,002.90 : 22,080.60 = 9,287.64 : x
  2. Step 2: Convert to fraction form
    16,002.90/22,080.60 = 9,287.64/x
  3. Step 3: Cross multiply
    16,002.90x = 22,080.60 × 9,287.64
  4. Step 4: Simplify right side
    16,002.90x = 205,076,663.78
  5. Step 5: Solve for x
    x = 205,076,663.78/16,002.90
  6. Step 6: Final answer
    x = 12,814.97

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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.