Home / 12,545.54-18,819.24-4,225.52

Finding the Fourth Proportional to 12,545.54, 18,819.24 and 4,225.52

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Solution

The fourth proportional to 12,545.54, 18,819.24 and 4,225.52 is: 6,338.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.54 : 18,819.24 = 4,225.52 : x
  2. Step 2: Convert to fraction form
    12,545.54/18,819.24 = 4,225.52/x
  3. Step 3: Cross multiply
    12,545.54x = 18,819.24 × 4,225.52
  4. Step 4: Simplify right side
    12,545.54x = 79,521,075.00
  5. Step 5: Solve for x
    x = 79,521,075.00/12,545.54
  6. Step 6: Final answer
    x = 6,338.59

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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.