Home / 22,767.49-31,418.31-13,207.57

Finding the Fourth Proportional to 22,767.49, 31,418.31 and 13,207.57

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Solution

The fourth proportional to 22,767.49, 31,418.31 and 13,207.57 is: 18,225.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,767.49 : 31,418.31 = 13,207.57 : x
  2. Step 2: Convert to fraction form
    22,767.49/31,418.31 = 13,207.57/x
  3. Step 3: Cross multiply
    22,767.49x = 31,418.31 × 13,207.57
  4. Step 4: Simplify right side
    22,767.49x = 414,959,499.59
  5. Step 5: Solve for x
    x = 414,959,499.59/22,767.49
  6. Step 6: Final answer
    x = 18,225.97

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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.