Home / 13,850.04-19,113.74-7,882.26

Finding the Fourth Proportional to 13,850.04, 19,113.74 and 7,882.26

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Solution

The fourth proportional to 13,850.04, 19,113.74 and 7,882.26 is: 10,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.04 : 19,113.74 = 7,882.26 : x
  2. Step 2: Convert to fraction form
    13,850.04/19,113.74 = 7,882.26/x
  3. Step 3: Cross multiply
    13,850.04x = 19,113.74 × 7,882.26
  4. Step 4: Simplify right side
    13,850.04x = 150,659,468.25
  5. Step 5: Solve for x
    x = 150,659,468.25/13,850.04
  6. Step 6: Final answer
    x = 10,877.91

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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.