Home / 13,150.17-19,726.20-4,143.51

Finding the Fourth Proportional to 13,150.17, 19,726.20 and 4,143.51

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Solution

The fourth proportional to 13,150.17, 19,726.20 and 4,143.51 is: 6,215.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150.17 : 19,726.20 = 4,143.51 : x
  2. Step 2: Convert to fraction form
    13,150.17/19,726.20 = 4,143.51/x
  3. Step 3: Cross multiply
    13,150.17x = 19,726.20 × 4,143.51
  4. Step 4: Simplify right side
    13,150.17x = 81,735,706.96
  5. Step 5: Solve for x
    x = 81,735,706.96/13,150.17
  6. Step 6: Final answer
    x = 6,215.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.