Home / 27,593.88-38,079.36-15,018.63

Finding the Fourth Proportional to 27,593.88, 38,079.36 and 15,018.63

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Solution

The fourth proportional to 27,593.88, 38,079.36 and 15,018.63 is: 20,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,593.88 : 38,079.36 = 15,018.63 : x
  2. Step 2: Convert to fraction form
    27,593.88/38,079.36 = 15,018.63/x
  3. Step 3: Cross multiply
    27,593.88x = 38,079.36 × 15,018.63
  4. Step 4: Simplify right side
    27,593.88x = 571,899,818.48
  5. Step 5: Solve for x
    x = 571,899,818.48/27,593.88
  6. Step 6: Final answer
    x = 20,725.60

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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.