Home / 26,355.90-36,369.78-15,025.70

Finding the Fourth Proportional to 26,355.90, 36,369.78 and 15,025.70

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Solution

The fourth proportional to 26,355.90, 36,369.78 and 15,025.70 is: 20,734.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,355.90 : 36,369.78 = 15,025.70 : x
  2. Step 2: Convert to fraction form
    26,355.90/36,369.78 = 15,025.70/x
  3. Step 3: Cross multiply
    26,355.90x = 36,369.78 × 15,025.70
  4. Step 4: Simplify right side
    26,355.90x = 546,481,403.35
  5. Step 5: Solve for x
    x = 546,481,403.35/26,355.90
  6. Step 6: Final answer
    x = 20,734.69

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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.