Home / 22,170.28-30,570.18-18,124.48

Finding the Fourth Proportional to 22,170.28, 30,570.18 and 18,124.48

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Solution

The fourth proportional to 22,170.28, 30,570.18 and 18,124.48 is: 24,991.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.28 : 30,570.18 = 18,124.48 : x
  2. Step 2: Convert to fraction form
    22,170.28/30,570.18 = 18,124.48/x
  3. Step 3: Cross multiply
    22,170.28x = 30,570.18 × 18,124.48
  4. Step 4: Simplify right side
    22,170.28x = 554,068,616.01
  5. Step 5: Solve for x
    x = 554,068,616.01/22,170.28
  6. Step 6: Final answer
    x = 24,991.50

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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.