Home / 16,070.28-22,179.20-9,697.20

Finding the Fourth Proportional to 16,070.28, 22,179.20 and 9,697.20

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Solution

The fourth proportional to 16,070.28, 22,179.20 and 9,697.20 is: 13,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,070.28 : 22,179.20 = 9,697.20 : x
  2. Step 2: Convert to fraction form
    16,070.28/22,179.20 = 9,697.20/x
  3. Step 3: Cross multiply
    16,070.28x = 22,179.20 × 9,697.20
  4. Step 4: Simplify right side
    16,070.28x = 215,076,089.75
  5. Step 5: Solve for x
    x = 215,076,089.75/16,070.28
  6. Step 6: Final answer
    x = 13,383.47

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Half scale
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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.