Home / 16,412.44-22,648.38-9,338.20

Finding the Fourth Proportional to 16,412.44, 22,648.38 and 9,338.20

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Solution

The fourth proportional to 16,412.44, 22,648.38 and 9,338.20 is: 12,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,412.44 : 22,648.38 = 9,338.20 : x
  2. Step 2: Convert to fraction form
    16,412.44/22,648.38 = 9,338.20/x
  3. Step 3: Cross multiply
    16,412.44x = 22,648.38 × 9,338.20
  4. Step 4: Simplify right side
    16,412.44x = 211,495,102.12
  5. Step 5: Solve for x
    x = 211,495,102.12/16,412.44
  6. Step 6: Final answer
    x = 12,886.27

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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.