Home / 26,612.70-39,951.45-13,458.30

Finding the Fourth Proportional to 26,612.70, 39,951.45 and 13,458.30

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Solution

The fourth proportional to 26,612.70, 39,951.45 and 13,458.30 is: 20,203.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,612.70 : 39,951.45 = 13,458.30 : x
  2. Step 2: Convert to fraction form
    26,612.70/39,951.45 = 13,458.30/x
  3. Step 3: Cross multiply
    26,612.70x = 39,951.45 × 13,458.30
  4. Step 4: Simplify right side
    26,612.70x = 537,678,599.54
  5. Step 5: Solve for x
    x = 537,678,599.54/26,612.70
  6. Step 6: Final answer
    x = 20,203.83

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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.