Home / 22,943.29-31,675.92-15,297.32

Finding the Fourth Proportional to 22,943.29, 31,675.92 and 15,297.32

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Solution

The fourth proportional to 22,943.29, 31,675.92 and 15,297.32 is: 21,119.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,943.29 : 31,675.92 = 15,297.32 : x
  2. Step 2: Convert to fraction form
    22,943.29/31,675.92 = 15,297.32/x
  3. Step 3: Cross multiply
    22,943.29x = 31,675.92 × 15,297.32
  4. Step 4: Simplify right side
    22,943.29x = 484,556,660.29
  5. Step 5: Solve for x
    x = 484,556,660.29/22,943.29
  6. Step 6: Final answer
    x = 21,119.76

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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.