Home / 12,951.99-19,424.79-5,555.61

Finding the Fourth Proportional to 12,951.99, 19,424.79 and 5,555.61

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Solution

The fourth proportional to 12,951.99, 19,424.79 and 5,555.61 is: 8,332.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951.99 : 19,424.79 = 5,555.61 : x
  2. Step 2: Convert to fraction form
    12,951.99/19,424.79 = 5,555.61/x
  3. Step 3: Cross multiply
    12,951.99x = 19,424.79 × 5,555.61
  4. Step 4: Simplify right side
    12,951.99x = 107,916,557.57
  5. Step 5: Solve for x
    x = 107,916,557.57/12,951.99
  6. Step 6: Final answer
    x = 8,332.04

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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.