Home / 27,543.19-38,011.13-15,610.37

Finding the Fourth Proportional to 27,543.19, 38,011.13 and 15,610.37

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Solution

The fourth proportional to 27,543.19, 38,011.13 and 15,610.37 is: 21,543.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,543.19 : 38,011.13 = 15,610.37 : x
  2. Step 2: Convert to fraction form
    27,543.19/38,011.13 = 15,610.37/x
  3. Step 3: Cross multiply
    27,543.19x = 38,011.13 × 15,610.37
  4. Step 4: Simplify right side
    27,543.19x = 593,367,803.42
  5. Step 5: Solve for x
    x = 593,367,803.42/27,543.19
  6. Step 6: Final answer
    x = 21,543.18

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Half scale
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Double scale
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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.