Home / 27,649.04-38,160.60-16,317.92

Finding the Fourth Proportional to 27,649.04, 38,160.60 and 16,317.92

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Solution

The fourth proportional to 27,649.04, 38,160.60 and 16,317.92 is: 22,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,649.04 : 38,160.60 = 16,317.92 : x
  2. Step 2: Convert to fraction form
    27,649.04/38,160.60 = 16,317.92/x
  3. Step 3: Cross multiply
    27,649.04x = 38,160.60 × 16,317.92
  4. Step 4: Simplify right side
    27,649.04x = 622,701,617.95
  5. Step 5: Solve for x
    x = 622,701,617.95/27,649.04
  6. Step 6: Final answer
    x = 22,521.64

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Half scale
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Double 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.