Home / 26,214.12-39,293.49-18,814.57

Finding the Fourth Proportional to 26,214.12, 39,293.49 and 18,814.57

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Solution

The fourth proportional to 26,214.12, 39,293.49 and 18,814.57 is: 28,201.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,214.12 : 39,293.49 = 18,814.57 : x
  2. Step 2: Convert to fraction form
    26,214.12/39,293.49 = 18,814.57/x
  3. Step 3: Cross multiply
    26,214.12x = 39,293.49 × 18,814.57
  4. Step 4: Simplify right side
    26,214.12x = 739,290,118.15
  5. Step 5: Solve for x
    x = 739,290,118.15/26,214.12
  6. Step 6: Final answer
    x = 28,201.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.