Home / 13,850.16-19,113.91-7,882.38

Finding the Fourth Proportional to 13,850.16, 19,113.91 and 7,882.38

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Solution

The fourth proportional to 13,850.16, 19,113.91 and 7,882.38 is: 10,878.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.16 : 19,113.91 = 7,882.38 : x
  2. Step 2: Convert to fraction form
    13,850.16/19,113.91 = 7,882.38/x
  3. Step 3: Cross multiply
    13,850.16x = 19,113.91 × 7,882.38
  4. Step 4: Simplify right side
    13,850.16x = 150,663,082.20
  5. Step 5: Solve for x
    x = 150,663,082.20/13,850.16
  6. Step 6: Final answer
    x = 10,878.08

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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.