Home / 22,454.06-33,681.11-9,128.39

Finding the Fourth Proportional to 22,454.06, 33,681.11 and 9,128.39

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Solution

The fourth proportional to 22,454.06, 33,681.11 and 9,128.39 is: 13,692.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,454.06 : 33,681.11 = 9,128.39 : x
  2. Step 2: Convert to fraction form
    22,454.06/33,681.11 = 9,128.39/x
  3. Step 3: Cross multiply
    22,454.06x = 33,681.11 × 9,128.39
  4. Step 4: Simplify right side
    22,454.06x = 307,454,093.67
  5. Step 5: Solve for x
    x = 307,454,093.67/22,454.06
  6. Step 6: Final answer
    x = 13,692.59

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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.