Home / 22,279.70-33,427.35-7,488.50

Finding the Fourth Proportional to 22,279.70, 33,427.35 and 7,488.50

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Solution

The fourth proportional to 22,279.70, 33,427.35 and 7,488.50 is: 11,235.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,279.70 : 33,427.35 = 7,488.50 : x
  2. Step 2: Convert to fraction form
    22,279.70/33,427.35 = 7,488.50/x
  3. Step 3: Cross multiply
    22,279.70x = 33,427.35 × 7,488.50
  4. Step 4: Simplify right side
    22,279.70x = 250,320,543.34
  5. Step 5: Solve for x
    x = 250,320,543.34/22,279.70
  6. Step 6: Final answer
    x = 11,235.36

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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.