Home / 26,318.18-36,319.09-14,218.66

Finding the Fourth Proportional to 26,318.18, 36,319.09 and 14,218.66

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Solution

The fourth proportional to 26,318.18, 36,319.09 and 14,218.66 is: 19,621.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,318.18 : 36,319.09 = 14,218.66 : x
  2. Step 2: Convert to fraction form
    26,318.18/36,319.09 = 14,218.66/x
  3. Step 3: Cross multiply
    26,318.18x = 36,319.09 × 14,218.66
  4. Step 4: Simplify right side
    26,318.18x = 516,408,792.22
  5. Step 5: Solve for x
    x = 516,408,792.22/26,318.18
  6. Step 6: Final answer
    x = 19,621.75

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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.