Home / 37,718.68-56,578.12-11,423.65

Finding the Fourth Proportional to 37,718.68, 56,578.12 and 11,423.65

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Solution

The fourth proportional to 37,718.68, 56,578.12 and 11,423.65 is: 17,135.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,718.68 : 56,578.12 = 11,423.65 : x
  2. Step 2: Convert to fraction form
    37,718.68/56,578.12 = 11,423.65/x
  3. Step 3: Cross multiply
    37,718.68x = 56,578.12 × 11,423.65
  4. Step 4: Simplify right side
    37,718.68x = 646,328,640.54
  5. Step 5: Solve for x
    x = 646,328,640.54/37,718.68
  6. Step 6: Final answer
    x = 17,135.51

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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.