Home / 13,738.30-20,598.34-4,972.08

Finding the Fourth Proportional to 13,738.30, 20,598.34 and 4,972.08

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Solution

The fourth proportional to 13,738.30, 20,598.34 and 4,972.08 is: 7,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738.30 : 20,598.34 = 4,972.08 : x
  2. Step 2: Convert to fraction form
    13,738.30/20,598.34 = 4,972.08/x
  3. Step 3: Cross multiply
    13,738.30x = 20,598.34 × 4,972.08
  4. Step 4: Simplify right side
    13,738.30x = 102,416,594.35
  5. Step 5: Solve for x
    x = 102,416,594.35/13,738.30
  6. Step 6: Final answer
    x = 7,454.82

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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.