Home / 27,450.17-41,143.88-12,468.71

Finding the Fourth Proportional to 27,450.17, 41,143.88 and 12,468.71

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Solution

The fourth proportional to 27,450.17, 41,143.88 and 12,468.71 is: 18,688.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,450.17 : 41,143.88 = 12,468.71 : x
  2. Step 2: Convert to fraction form
    27,450.17/41,143.88 = 12,468.71/x
  3. Step 3: Cross multiply
    27,450.17x = 41,143.88 × 12,468.71
  4. Step 4: Simplify right side
    27,450.17x = 513,011,242.03
  5. Step 5: Solve for x
    x = 513,011,242.03/27,450.17
  6. Step 6: Final answer
    x = 18,688.82

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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.