Home / 16,065.30-22,171.38-11,835.70

Finding the Fourth Proportional to 16,065.30, 22,171.38 and 11,835.70

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Solution

The fourth proportional to 16,065.30, 22,171.38 and 11,835.70 is: 16,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,065.30 : 22,171.38 = 11,835.70 : x
  2. Step 2: Convert to fraction form
    16,065.30/22,171.38 = 11,835.70/x
  3. Step 3: Cross multiply
    16,065.30x = 22,171.38 × 11,835.70
  4. Step 4: Simplify right side
    16,065.30x = 262,413,802.27
  5. Step 5: Solve for x
    x = 262,413,802.27/16,065.30
  6. Step 6: Final answer
    x = 16,334.20

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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.