Home / 17,427.85-26,143.05-4,948.88

Finding the Fourth Proportional to 17,427.85, 26,143.05 and 4,948.88

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Solution

The fourth proportional to 17,427.85, 26,143.05 and 4,948.88 is: 7,423.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,427.85 : 26,143.05 = 4,948.88 : x
  2. Step 2: Convert to fraction form
    17,427.85/26,143.05 = 4,948.88/x
  3. Step 3: Cross multiply
    17,427.85x = 26,143.05 × 4,948.88
  4. Step 4: Simplify right side
    17,427.85x = 129,378,803.16
  5. Step 5: Solve for x
    x = 129,378,803.16/17,427.85
  6. Step 6: Final answer
    x = 7,423.68

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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.