Home / 13,862.62-19,130.48-7,575.13

Finding the Fourth Proportional to 13,862.62, 19,130.48 and 7,575.13

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Solution

The fourth proportional to 13,862.62, 19,130.48 and 7,575.13 is: 10,453.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.62 : 19,130.48 = 7,575.13 : x
  2. Step 2: Convert to fraction form
    13,862.62/19,130.48 = 7,575.13/x
  3. Step 3: Cross multiply
    13,862.62x = 19,130.48 × 7,575.13
  4. Step 4: Simplify right side
    13,862.62x = 144,915,872.96
  5. Step 5: Solve for x
    x = 144,915,872.96/13,862.62
  6. Step 6: Final answer
    x = 10,453.71

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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.