Home / 22,852.62-31,540.26-13,421.10

Finding the Fourth Proportional to 22,852.62, 31,540.26 and 13,421.10

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Solution

The fourth proportional to 22,852.62, 31,540.26 and 13,421.10 is: 18,523.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,852.62 : 31,540.26 = 13,421.10 : x
  2. Step 2: Convert to fraction form
    22,852.62/31,540.26 = 13,421.10/x
  3. Step 3: Cross multiply
    22,852.62x = 31,540.26 × 13,421.10
  4. Step 4: Simplify right side
    22,852.62x = 423,304,983.49
  5. Step 5: Solve for x
    x = 423,304,983.49/22,852.62
  6. Step 6: Final answer
    x = 18,523.26

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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.