Home / 22,496.80-31,045.58-13,065.97

Finding the Fourth Proportional to 22,496.80, 31,045.58 and 13,065.97

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Solution

The fourth proportional to 22,496.80, 31,045.58 and 13,065.97 is: 18,031.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,496.80 : 31,045.58 = 13,065.97 : x
  2. Step 2: Convert to fraction form
    22,496.80/31,045.58 = 13,065.97/x
  3. Step 3: Cross multiply
    22,496.80x = 31,045.58 × 13,065.97
  4. Step 4: Simplify right side
    22,496.80x = 405,640,616.91
  5. Step 5: Solve for x
    x = 405,640,616.91/22,496.80
  6. Step 6: Final answer
    x = 18,031.04

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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.