Home / 26,355.20-39,539.16-8,825.12

Finding the Fourth Proportional to 26,355.20, 39,539.16 and 8,825.12

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Solution

The fourth proportional to 26,355.20, 39,539.16 and 8,825.12 is: 13,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,355.20 : 39,539.16 = 8,825.12 : x
  2. Step 2: Convert to fraction form
    26,355.20/39,539.16 = 8,825.12/x
  3. Step 3: Cross multiply
    26,355.20x = 39,539.16 × 8,825.12
  4. Step 4: Simplify right side
    26,355.20x = 348,937,831.70
  5. Step 5: Solve for x
    x = 348,937,831.70/26,355.20
  6. Step 6: Final answer
    x = 13,239.81

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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.