Home / 15,972.93-22,022.17-13,091.06

Finding the Fourth Proportional to 15,972.93, 22,022.17 and 13,091.06

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Solution

The fourth proportional to 15,972.93, 22,022.17 and 13,091.06 is: 18,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.93 : 22,022.17 = 13,091.06 : x
  2. Step 2: Convert to fraction form
    15,972.93/22,022.17 = 13,091.06/x
  3. Step 3: Cross multiply
    15,972.93x = 22,022.17 × 13,091.06
  4. Step 4: Simplify right side
    15,972.93x = 288,293,455.05
  5. Step 5: Solve for x
    x = 288,293,455.05/15,972.93
  6. Step 6: Final answer
    x = 18,048.87

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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.