Home / 13,663.35-20,482.23-7,414.20

Finding the Fourth Proportional to 13,663.35, 20,482.23 and 7,414.20

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Solution

The fourth proportional to 13,663.35, 20,482.23 and 7,414.20 is: 11,114.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663.35 : 20,482.23 = 7,414.20 : x
  2. Step 2: Convert to fraction form
    13,663.35/20,482.23 = 7,414.20/x
  3. Step 3: Cross multiply
    13,663.35x = 20,482.23 × 7,414.20
  4. Step 4: Simplify right side
    13,663.35x = 151,859,349.67
  5. Step 5: Solve for x
    x = 151,859,349.67/13,663.35
  6. Step 6: Final answer
    x = 11,114.36

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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.