Home / 22,217.24-30,672.39-14,685.45

Finding the Fourth Proportional to 22,217.24, 30,672.39 and 14,685.45

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Solution

The fourth proportional to 22,217.24, 30,672.39 and 14,685.45 is: 20,274.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,217.24 : 30,672.39 = 14,685.45 : x
  2. Step 2: Convert to fraction form
    22,217.24/30,672.39 = 14,685.45/x
  3. Step 3: Cross multiply
    22,217.24x = 30,672.39 × 14,685.45
  4. Step 4: Simplify right side
    22,217.24x = 450,437,849.73
  5. Step 5: Solve for x
    x = 450,437,849.73/22,217.24
  6. Step 6: Final answer
    x = 20,274.25

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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.