Home / 18,960.10-26,165.18-10,462.57

Finding the Fourth Proportional to 18,960.10, 26,165.18 and 10,462.57

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Solution

The fourth proportional to 18,960.10, 26,165.18 and 10,462.57 is: 14,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,960.10 : 26,165.18 = 10,462.57 : x
  2. Step 2: Convert to fraction form
    18,960.10/26,165.18 = 10,462.57/x
  3. Step 3: Cross multiply
    18,960.10x = 26,165.18 × 10,462.57
  4. Step 4: Simplify right side
    18,960.10x = 273,755,027.31
  5. Step 5: Solve for x
    x = 273,755,027.31/18,960.10
  6. Step 6: Final answer
    x = 14,438.48

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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.