Home / 13,872.68-19,144.02-7,584.92

Finding the Fourth Proportional to 13,872.68, 19,144.02 and 7,584.92

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Solution

The fourth proportional to 13,872.68, 19,144.02 and 7,584.92 is: 10,467.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872.68 : 19,144.02 = 7,584.92 : x
  2. Step 2: Convert to fraction form
    13,872.68/19,144.02 = 7,584.92/x
  3. Step 3: Cross multiply
    13,872.68x = 19,144.02 × 7,584.92
  4. Step 4: Simplify right side
    13,872.68x = 145,205,860.18
  5. Step 5: Solve for x
    x = 145,205,860.18/13,872.68
  6. Step 6: Final answer
    x = 10,467.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.