Home / 22,011.17-30,365.13-12,933.52

Finding the Fourth Proportional to 22,011.17, 30,365.13 and 12,933.52

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Solution

The fourth proportional to 22,011.17, 30,365.13 and 12,933.52 is: 17,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.17 : 30,365.13 = 12,933.52 : x
  2. Step 2: Convert to fraction form
    22,011.17/30,365.13 = 12,933.52/x
  3. Step 3: Cross multiply
    22,011.17x = 30,365.13 × 12,933.52
  4. Step 4: Simplify right side
    22,011.17x = 392,728,086.80
  5. Step 5: Solve for x
    x = 392,728,086.80/22,011.17
  6. Step 6: Final answer
    x = 17,842.22

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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.