Home / 22,301.80-33,424.35-9,139.30

Finding the Fourth Proportional to 22,301.80, 33,424.35 and 9,139.30

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Solution

The fourth proportional to 22,301.80, 33,424.35 and 9,139.30 is: 13,697.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,301.80 : 33,424.35 = 9,139.30 : x
  2. Step 2: Convert to fraction form
    22,301.80/33,424.35 = 9,139.30/x
  3. Step 3: Cross multiply
    22,301.80x = 33,424.35 × 9,139.30
  4. Step 4: Simplify right side
    22,301.80x = 305,475,161.96
  5. Step 5: Solve for x
    x = 305,475,161.96/22,301.80
  6. Step 6: Final answer
    x = 13,697.33

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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.