Home / 13,850.28-19,113.30-8,545.08

Finding the Fourth Proportional to 13,850.28, 19,113.30 and 8,545.08

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Solution

The fourth proportional to 13,850.28, 19,113.30 and 8,545.08 is: 11,792.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.28 : 19,113.30 = 8,545.08 : x
  2. Step 2: Convert to fraction form
    13,850.28/19,113.30 = 8,545.08/x
  3. Step 3: Cross multiply
    13,850.28x = 19,113.30 × 8,545.08
  4. Step 4: Simplify right side
    13,850.28x = 163,324,677.56
  5. Step 5: Solve for x
    x = 163,324,677.56/13,850.28
  6. Step 6: Final answer
    x = 11,792.16

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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.