Home / 15,251.91-22,879.76-5,389.22

Finding the Fourth Proportional to 15,251.91, 22,879.76 and 5,389.22

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Solution

The fourth proportional to 15,251.91, 22,879.76 and 5,389.22 is: 8,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,251.91 : 22,879.76 = 5,389.22 : x
  2. Step 2: Convert to fraction form
    15,251.91/22,879.76 = 5,389.22/x
  3. Step 3: Cross multiply
    15,251.91x = 22,879.76 × 5,389.22
  4. Step 4: Simplify right side
    15,251.91x = 123,303,918.84
  5. Step 5: Solve for x
    x = 123,303,918.84/15,251.91
  6. Step 6: Final answer
    x = 8,084.49

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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.