Home / 26,272.70-39,412.65-8,740.70

Finding the Fourth Proportional to 26,272.70, 39,412.65 and 8,740.70

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Solution

The fourth proportional to 26,272.70, 39,412.65 and 8,740.70 is: 13,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,272.70 : 39,412.65 = 8,740.70 : x
  2. Step 2: Convert to fraction form
    26,272.70/39,412.65 = 8,740.70/x
  3. Step 3: Cross multiply
    26,272.70x = 39,412.65 × 8,740.70
  4. Step 4: Simplify right side
    26,272.70x = 344,494,149.86
  5. Step 5: Solve for x
    x = 344,494,149.86/26,272.70
  6. Step 6: Final answer
    x = 13,112.25

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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.