Home / 22,694.01-31,295.75-15,140.65

Finding the Fourth Proportional to 22,694.01, 31,295.75 and 15,140.65

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Solution

The fourth proportional to 22,694.01, 31,295.75 and 15,140.65 is: 20,879.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,694.01 : 31,295.75 = 15,140.65 : x
  2. Step 2: Convert to fraction form
    22,694.01/31,295.75 = 15,140.65/x
  3. Step 3: Cross multiply
    22,694.01x = 31,295.75 × 15,140.65
  4. Step 4: Simplify right side
    22,694.01x = 473,837,843.29
  5. Step 5: Solve for x
    x = 473,837,843.29/22,694.01
  6. Step 6: Final answer
    x = 20,879.42

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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.