Home / 27,521.87-41,282.72-7,800.59

Finding the Fourth Proportional to 27,521.87, 41,282.72 and 7,800.59

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Solution

The fourth proportional to 27,521.87, 41,282.72 and 7,800.59 is: 11,700.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,521.87 : 41,282.72 = 7,800.59 : x
  2. Step 2: Convert to fraction form
    27,521.87/41,282.72 = 7,800.59/x
  3. Step 3: Cross multiply
    27,521.87x = 41,282.72 × 7,800.59
  4. Step 4: Simplify right side
    27,521.87x = 322,029,787.54
  5. Step 5: Solve for x
    x = 322,029,787.54/27,521.87
  6. Step 6: Final answer
    x = 11,700.87

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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.