Home / 17,428.82-26,143.18-4,948.86

Finding the Fourth Proportional to 17,428.82, 26,143.18 and 4,948.86

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Solution

The fourth proportional to 17,428.82, 26,143.18 and 4,948.86 is: 7,423.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.82 : 26,143.18 = 4,948.86 : x
  2. Step 2: Convert to fraction form
    17,428.82/26,143.18 = 4,948.86/x
  3. Step 3: Cross multiply
    17,428.82x = 26,143.18 × 4,948.86
  4. Step 4: Simplify right side
    17,428.82x = 129,378,937.77
  5. Step 5: Solve for x
    x = 129,378,937.77/17,428.82
  6. Step 6: Final answer
    x = 7,423.28

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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.