Home / 27,130.66-37,443.52-15,191.69

Finding the Fourth Proportional to 27,130.66, 37,443.52 and 15,191.69

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Solution

The fourth proportional to 27,130.66, 37,443.52 and 15,191.69 is: 20,966.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,130.66 : 37,443.52 = 15,191.69 : x
  2. Step 2: Convert to fraction form
    27,130.66/37,443.52 = 15,191.69/x
  3. Step 3: Cross multiply
    27,130.66x = 37,443.52 × 15,191.69
  4. Step 4: Simplify right side
    27,130.66x = 568,830,348.35
  5. Step 5: Solve for x
    x = 568,830,348.35/27,130.66
  6. Step 6: Final answer
    x = 20,966.33

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Half scale
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Double scale
Find fourth proportional to 27,131.66, 37,444.90 and 15,192.69
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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.