Home / 13,885.57-19,162.00-7,512.14

Finding the Fourth Proportional to 13,885.57, 19,162.00 and 7,512.14

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Solution

The fourth proportional to 13,885.57, 19,162.00 and 7,512.14 is: 10,366.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885.57 : 19,162.00 = 7,512.14 : x
  2. Step 2: Convert to fraction form
    13,885.57/19,162.00 = 7,512.14/x
  3. Step 3: Cross multiply
    13,885.57x = 19,162.00 × 7,512.14
  4. Step 4: Simplify right side
    13,885.57x = 143,947,626.20
  5. Step 5: Solve for x
    x = 143,947,626.20/13,885.57
  6. Step 6: Final answer
    x = 10,366.71

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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.