Home / 27,543.66-38,012.05-15,444.96

Finding the Fourth Proportional to 27,543.66, 38,012.05 and 15,444.96

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Solution

The fourth proportional to 27,543.66, 38,012.05 and 15,444.96 is: 21,315.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,543.66 : 38,012.05 = 15,444.96 : x
  2. Step 2: Convert to fraction form
    27,543.66/38,012.05 = 15,444.96/x
  3. Step 3: Cross multiply
    27,543.66x = 38,012.05 × 15,444.96
  4. Step 4: Simplify right side
    27,543.66x = 587,094,591.77
  5. Step 5: Solve for x
    x = 587,094,591.77/27,543.66
  6. Step 6: Final answer
    x = 21,315.05

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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.