Home / 22,849.42-31,540.13-15,703

Finding the Fourth Proportional to 22,849.42, 31,540.13 and 15,703

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Solution

The fourth proportional to 22,849.42, 31,540.13 and 15,703 is: 21,675.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,849.42 : 31,540.13 = 15,703 : x
  2. Step 2: Convert to fraction form
    22,849.42/31,540.13 = 15,703/x
  3. Step 3: Cross multiply
    22,849.42x = 31,540.13 × 15,703
  4. Step 4: Simplify right side
    22,849.42x = 495,274,661.39
  5. Step 5: Solve for x
    x = 495,274,661.39/22,849.42
  6. Step 6: Final answer
    x = 21,675.59

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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.