Home / 17,343.20-26,018.40-5,657.30

Finding the Fourth Proportional to 17,343.20, 26,018.40 and 5,657.30

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Solution

The fourth proportional to 17,343.20, 26,018.40 and 5,657.30 is: 8,487.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,343.20 : 26,018.40 = 5,657.30 : x
  2. Step 2: Convert to fraction form
    17,343.20/26,018.40 = 5,657.30/x
  3. Step 3: Cross multiply
    17,343.20x = 26,018.40 × 5,657.30
  4. Step 4: Simplify right side
    17,343.20x = 147,193,894.32
  5. Step 5: Solve for x
    x = 147,193,894.32/17,343.20
  6. Step 6: Final answer
    x = 8,487.12

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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.