Home / 22,074.40-30,442.49-16,423.30

Finding the Fourth Proportional to 22,074.40, 30,442.49 and 16,423.30

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Solution

The fourth proportional to 22,074.40, 30,442.49 and 16,423.30 is: 22,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,074.40 : 30,442.49 = 16,423.30 : x
  2. Step 2: Convert to fraction form
    22,074.40/30,442.49 = 16,423.30/x
  3. Step 3: Cross multiply
    22,074.40x = 30,442.49 × 16,423.30
  4. Step 4: Simplify right side
    22,074.40x = 499,965,987.79
  5. Step 5: Solve for x
    x = 499,965,987.79/22,074.40
  6. Step 6: Final answer
    x = 22,649.13

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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.