Home / 15,943.71-22,032.66-11,957.90

Finding the Fourth Proportional to 15,943.71, 22,032.66 and 11,957.90

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Solution

The fourth proportional to 15,943.71, 22,032.66 and 11,957.90 is: 16,524.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.71 : 22,032.66 = 11,957.90 : x
  2. Step 2: Convert to fraction form
    15,943.71/22,032.66 = 11,957.90/x
  3. Step 3: Cross multiply
    15,943.71x = 22,032.66 × 11,957.90
  4. Step 4: Simplify right side
    15,943.71x = 263,464,272.63
  5. Step 5: Solve for x
    x = 263,464,272.63/15,943.71
  6. Step 6: Final answer
    x = 16,524.66

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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.