Home / 14,643.27-21,972.60-6,748.20

Finding the Fourth Proportional to 14,643.27, 21,972.60 and 6,748.20

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Solution

The fourth proportional to 14,643.27, 21,972.60 and 6,748.20 is: 10,125.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,643.27 : 21,972.60 = 6,748.20 : x
  2. Step 2: Convert to fraction form
    14,643.27/21,972.60 = 6,748.20/x
  3. Step 3: Cross multiply
    14,643.27x = 21,972.60 × 6,748.20
  4. Step 4: Simplify right side
    14,643.27x = 148,275,499.32
  5. Step 5: Solve for x
    x = 148,275,499.32/14,643.27
  6. Step 6: Final answer
    x = 10,125.85

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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.