Home / 27,184.98-40,717.20-20,898.74

Finding the Fourth Proportional to 27,184.98, 40,717.20 and 20,898.74

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Solution

The fourth proportional to 27,184.98, 40,717.20 and 20,898.74 is: 31,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,184.98 : 40,717.20 = 20,898.74 : x
  2. Step 2: Convert to fraction form
    27,184.98/40,717.20 = 20,898.74/x
  3. Step 3: Cross multiply
    27,184.98x = 40,717.20 × 20,898.74
  4. Step 4: Simplify right side
    27,184.98x = 850,938,176.33
  5. Step 5: Solve for x
    x = 850,938,176.33/27,184.98
  6. Step 6: Final answer
    x = 31,301.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.