Home / 12,882.16-19,329.72-9,601.84

Finding the Fourth Proportional to 12,882.16, 19,329.72 and 9,601.84

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Solution

The fourth proportional to 12,882.16, 19,329.72 and 9,601.84 is: 14,407.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882.16 : 19,329.72 = 9,601.84 : x
  2. Step 2: Convert to fraction form
    12,882.16/19,329.72 = 9,601.84/x
  3. Step 3: Cross multiply
    12,882.16x = 19,329.72 × 9,601.84
  4. Step 4: Simplify right side
    12,882.16x = 185,600,878.68
  5. Step 5: Solve for x
    x = 185,600,878.68/12,882.16
  6. Step 6: Final answer
    x = 14,407.59

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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.