Home / 27,657.54-38,167.47-15,083.10

Finding the Fourth Proportional to 27,657.54, 38,167.47 and 15,083.10

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Solution

The fourth proportional to 27,657.54, 38,167.47 and 15,083.10 is: 20,814.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,657.54 : 38,167.47 = 15,083.10 : x
  2. Step 2: Convert to fraction form
    27,657.54/38,167.47 = 15,083.10/x
  3. Step 3: Cross multiply
    27,657.54x = 38,167.47 × 15,083.10
  4. Step 4: Simplify right side
    27,657.54x = 575,683,766.76
  5. Step 5: Solve for x
    x = 575,683,766.76/27,657.54
  6. Step 6: Final answer
    x = 20,814.71

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Half scale
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Double scale
Find fourth proportional to 27,658.54, 38,168.85 and 15,084.10
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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.