Home / 16,412.20-22,648.30-9,242.48

Finding the Fourth Proportional to 16,412.20, 22,648.30 and 9,242.48

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Solution

The fourth proportional to 16,412.20, 22,648.30 and 9,242.48 is: 12,754.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,412.20 : 22,648.30 = 9,242.48 : x
  2. Step 2: Convert to fraction form
    16,412.20/22,648.30 = 9,242.48/x
  3. Step 3: Cross multiply
    16,412.20x = 22,648.30 × 9,242.48
  4. Step 4: Simplify right side
    16,412.20x = 209,326,493.30
  5. Step 5: Solve for x
    x = 209,326,493.30/16,412.20
  6. Step 6: Final answer
    x = 12,754.32

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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.