Home / 16,140.12-22,240.62-11,655.96

Finding the Fourth Proportional to 16,140.12, 22,240.62 and 11,655.96

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Solution

The fourth proportional to 16,140.12, 22,240.62 and 11,655.96 is: 16,061.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,140.12 : 22,240.62 = 11,655.96 : x
  2. Step 2: Convert to fraction form
    16,140.12/22,240.62 = 11,655.96/x
  3. Step 3: Cross multiply
    16,140.12x = 22,240.62 × 11,655.96
  4. Step 4: Simplify right side
    16,140.12x = 259,235,777.10
  5. Step 5: Solve for x
    x = 259,235,777.10/16,140.12
  6. Step 6: Final answer
    x = 16,061.58

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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.