Home / 22,168.24-30,549.96-15,869.68

Finding the Fourth Proportional to 22,168.24, 30,549.96 and 15,869.68

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Solution

The fourth proportional to 22,168.24, 30,549.96 and 15,869.68 is: 21,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,168.24 : 30,549.96 = 15,869.68 : x
  2. Step 2: Convert to fraction form
    22,168.24/30,549.96 = 15,869.68/x
  3. Step 3: Cross multiply
    22,168.24x = 30,549.96 × 15,869.68
  4. Step 4: Simplify right side
    22,168.24x = 484,818,089.21
  5. Step 5: Solve for x
    x = 484,818,089.21/22,168.24
  6. Step 6: Final answer
    x = 21,869.94

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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.