Home / 27,070.88-37,344.12-18,118.76

Finding the Fourth Proportional to 27,070.88, 37,344.12 and 18,118.76

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Solution

The fourth proportional to 27,070.88, 37,344.12 and 18,118.76 is: 24,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,070.88 : 37,344.12 = 18,118.76 : x
  2. Step 2: Convert to fraction form
    27,070.88/37,344.12 = 18,118.76/x
  3. Step 3: Cross multiply
    27,070.88x = 37,344.12 × 18,118.76
  4. Step 4: Simplify right side
    27,070.88x = 676,629,147.69
  5. Step 5: Solve for x
    x = 676,629,147.69/27,070.88
  6. Step 6: Final answer
    x = 24,994.72

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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.