Home / 16,261.72-22,442.10-9,188.76

Finding the Fourth Proportional to 16,261.72, 22,442.10 and 9,188.76

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Solution

The fourth proportional to 16,261.72, 22,442.10 and 9,188.76 is: 12,681.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,261.72 : 22,442.10 = 9,188.76 : x
  2. Step 2: Convert to fraction form
    16,261.72/22,442.10 = 9,188.76/x
  3. Step 3: Cross multiply
    16,261.72x = 22,442.10 × 9,188.76
  4. Step 4: Simplify right side
    16,261.72x = 206,215,070.80
  5. Step 5: Solve for x
    x = 206,215,070.80/16,261.72
  6. Step 6: Final answer
    x = 12,681.01

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Half scale
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Double scale
Find fourth proportional to 16,262.72, 22,443.48 and 9,189.76
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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.