Home / 20,204.04-27,881.51-11,251.65

Finding the Fourth Proportional to 20,204.04, 27,881.51 and 11,251.65

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Solution

The fourth proportional to 20,204.04, 27,881.51 and 11,251.65 is: 15,527.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.04 : 27,881.51 = 11,251.65 : x
  2. Step 2: Convert to fraction form
    20,204.04/27,881.51 = 11,251.65/x
  3. Step 3: Cross multiply
    20,204.04x = 27,881.51 × 11,251.65
  4. Step 4: Simplify right side
    20,204.04x = 313,712,935.73
  5. Step 5: Solve for x
    x = 313,712,935.73/20,204.04
  6. Step 6: Final answer
    x = 15,527.24

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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.