Home / 16,387.16-22,610.44-11,903.15

Finding the Fourth Proportional to 16,387.16, 22,610.44 and 11,903.15

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Solution

The fourth proportional to 16,387.16, 22,610.44 and 11,903.15 is: 16,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,387.16 : 22,610.44 = 11,903.15 : x
  2. Step 2: Convert to fraction form
    16,387.16/22,610.44 = 11,903.15/x
  3. Step 3: Cross multiply
    16,387.16x = 22,610.44 × 11,903.15
  4. Step 4: Simplify right side
    16,387.16x = 269,135,530.29
  5. Step 5: Solve for x
    x = 269,135,530.29/16,387.16
  6. Step 6: Final answer
    x = 16,423.56

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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.