Home / 18,960.12-26,199.72-18,049.68

Finding the Fourth Proportional to 18,960.12, 26,199.72 and 18,049.68

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Solution

The fourth proportional to 18,960.12, 26,199.72 and 18,049.68 is: 24,941.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,960.12 : 26,199.72 = 18,049.68 : x
  2. Step 2: Convert to fraction form
    18,960.12/26,199.72 = 18,049.68/x
  3. Step 3: Cross multiply
    18,960.12x = 26,199.72 × 18,049.68
  4. Step 4: Simplify right side
    18,960.12x = 472,896,562.09
  5. Step 5: Solve for x
    x = 472,896,562.09/18,960.12
  6. Step 6: Final answer
    x = 24,941.64

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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.