Home / 16,040.09-22,134.43-8,869.60

Finding the Fourth Proportional to 16,040.09, 22,134.43 and 8,869.60

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Solution

The fourth proportional to 16,040.09, 22,134.43 and 8,869.60 is: 12,239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,040.09 : 22,134.43 = 8,869.60 : x
  2. Step 2: Convert to fraction form
    16,040.09/22,134.43 = 8,869.60/x
  3. Step 3: Cross multiply
    16,040.09x = 22,134.43 × 8,869.60
  4. Step 4: Simplify right side
    16,040.09x = 196,323,579.08
  5. Step 5: Solve for x
    x = 196,323,579.08/16,040.09
  6. Step 6: Final answer
    x = 12,239.55

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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.