Home / 27,123.14-37,431.57-15,187.19

Finding the Fourth Proportional to 27,123.14, 37,431.57 and 15,187.19

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Solution

The fourth proportional to 27,123.14, 37,431.57 and 15,187.19 is: 20,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,123.14 : 37,431.57 = 15,187.19 : x
  2. Step 2: Convert to fraction form
    27,123.14/37,431.57 = 15,187.19/x
  3. Step 3: Cross multiply
    27,123.14x = 37,431.57 × 15,187.19
  4. Step 4: Simplify right side
    27,123.14x = 568,480,178.43
  5. Step 5: Solve for x
    x = 568,480,178.43/27,123.14
  6. Step 6: Final answer
    x = 20,959.24

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Half scale
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Double scale
Find fourth proportional to 27,124.14, 37,432.95 and 15,188.19
Similar ratio
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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.