Home / 16,005.06-22,065.51-11,218.57

Finding the Fourth Proportional to 16,005.06, 22,065.51 and 11,218.57

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Solution

The fourth proportional to 16,005.06, 22,065.51 and 11,218.57 is: 15,466.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,005.06 : 22,065.51 = 11,218.57 : x
  2. Step 2: Convert to fraction form
    16,005.06/22,065.51 = 11,218.57/x
  3. Step 3: Cross multiply
    16,005.06x = 22,065.51 × 11,218.57
  4. Step 4: Simplify right side
    16,005.06x = 247,543,455.43
  5. Step 5: Solve for x
    x = 247,543,455.43/16,005.06
  6. Step 6: Final answer
    x = 15,466.57

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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.