Home / 22,269.96-33,408.80-7,480.32

Finding the Fourth Proportional to 22,269.96, 33,408.80 and 7,480.32

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Solution

The fourth proportional to 22,269.96, 33,408.80 and 7,480.32 is: 11,221.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.96 : 33,408.80 = 7,480.32 : x
  2. Step 2: Convert to fraction form
    22,269.96/33,408.80 = 7,480.32/x
  3. Step 3: Cross multiply
    22,269.96x = 33,408.80 × 7,480.32
  4. Step 4: Simplify right side
    22,269.96x = 249,908,514.82
  5. Step 5: Solve for x
    x = 249,908,514.82/22,269.96
  6. Step 6: Final answer
    x = 11,221.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.