Home / 22,158.46-30,573.21-13,542.45

Finding the Fourth Proportional to 22,158.46, 30,573.21 and 13,542.45

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Solution

The fourth proportional to 22,158.46, 30,573.21 and 13,542.45 is: 18,685.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,158.46 : 30,573.21 = 13,542.45 : x
  2. Step 2: Convert to fraction form
    22,158.46/30,573.21 = 13,542.45/x
  3. Step 3: Cross multiply
    22,158.46x = 30,573.21 × 13,542.45
  4. Step 4: Simplify right side
    22,158.46x = 414,035,947.19
  5. Step 5: Solve for x
    x = 414,035,947.19/22,158.46
  6. Step 6: Final answer
    x = 18,685.23

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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.