Home / 22,282.34-30,744.84-13,210.56

Finding the Fourth Proportional to 22,282.34, 30,744.84 and 13,210.56

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Solution

The fourth proportional to 22,282.34, 30,744.84 and 13,210.56 is: 18,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,282.34 : 30,744.84 = 13,210.56 : x
  2. Step 2: Convert to fraction form
    22,282.34/30,744.84 = 13,210.56/x
  3. Step 3: Cross multiply
    22,282.34x = 30,744.84 × 13,210.56
  4. Step 4: Simplify right side
    22,282.34x = 406,156,553.51
  5. Step 5: Solve for x
    x = 406,156,553.51/22,282.34
  6. Step 6: Final answer
    x = 18,227.73

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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.