Home / 22,168.28-30,567.42-18,122.48

Finding the Fourth Proportional to 22,168.28, 30,567.42 and 18,122.48

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Solution

The fourth proportional to 22,168.28, 30,567.42 and 18,122.48 is: 24,988.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,168.28 : 30,567.42 = 18,122.48 : x
  2. Step 2: Convert to fraction form
    22,168.28/30,567.42 = 18,122.48/x
  3. Step 3: Cross multiply
    22,168.28x = 30,567.42 × 18,122.48
  4. Step 4: Simplify right side
    22,168.28x = 553,957,457.60
  5. Step 5: Solve for x
    x = 553,957,457.60/22,168.28
  6. Step 6: Final answer
    x = 24,988.74

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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.