Home / 22,107.24-30,476.76-15,808.68

Finding the Fourth Proportional to 22,107.24, 30,476.76 and 15,808.68

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Solution

The fourth proportional to 22,107.24, 30,476.76 and 15,808.68 is: 21,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107.24 : 30,476.76 = 15,808.68 : x
  2. Step 2: Convert to fraction form
    22,107.24/30,476.76 = 15,808.68/x
  3. Step 3: Cross multiply
    22,107.24x = 30,476.76 × 15,808.68
  4. Step 4: Simplify right side
    22,107.24x = 481,797,346.28
  5. Step 5: Solve for x
    x = 481,797,346.28/22,107.24
  6. Step 6: Final answer
    x = 21,793.65

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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.