Home / 15,982.41-22,032.66-11,187.51

Finding the Fourth Proportional to 15,982.41, 22,032.66 and 11,187.51

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Solution

The fourth proportional to 15,982.41, 22,032.66 and 11,187.51 is: 15,422.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.41 : 22,032.66 = 11,187.51 : x
  2. Step 2: Convert to fraction form
    15,982.41/22,032.66 = 11,187.51/x
  3. Step 3: Cross multiply
    15,982.41x = 22,032.66 × 11,187.51
  4. Step 4: Simplify right side
    15,982.41x = 246,490,604.08
  5. Step 5: Solve for x
    x = 246,490,604.08/15,982.41
  6. Step 6: Final answer
    x = 15,422.62

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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.