Home / 16,886.39-23,281.56-11,571.98

Finding the Fourth Proportional to 16,886.39, 23,281.56 and 11,571.98

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Solution

The fourth proportional to 16,886.39, 23,281.56 and 11,571.98 is: 15,954.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.39 : 23,281.56 = 11,571.98 : x
  2. Step 2: Convert to fraction form
    16,886.39/23,281.56 = 11,571.98/x
  3. Step 3: Cross multiply
    16,886.39x = 23,281.56 × 11,571.98
  4. Step 4: Simplify right side
    16,886.39x = 269,413,630.28
  5. Step 5: Solve for x
    x = 269,413,630.28/16,886.39
  6. Step 6: Final answer
    x = 15,954.49

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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.