Home / 17,605.76-26,408.68-4,458.11

Finding the Fourth Proportional to 17,605.76, 26,408.68 and 4,458.11

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Solution

The fourth proportional to 17,605.76, 26,408.68 and 4,458.11 is: 6,687.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,605.76 : 26,408.68 = 4,458.11 : x
  2. Step 2: Convert to fraction form
    17,605.76/26,408.68 = 4,458.11/x
  3. Step 3: Cross multiply
    17,605.76x = 26,408.68 × 4,458.11
  4. Step 4: Simplify right side
    17,605.76x = 117,732,905.11
  5. Step 5: Solve for x
    x = 117,732,905.11/17,605.76
  6. Step 6: Final answer
    x = 6,687.18

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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.