Home / 26,416.61-39,620.70-9,772.85

Finding the Fourth Proportional to 26,416.61, 39,620.70 and 9,772.85

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Solution

The fourth proportional to 26,416.61, 39,620.70 and 9,772.85 is: 14,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,416.61 : 39,620.70 = 9,772.85 : x
  2. Step 2: Convert to fraction form
    26,416.61/39,620.70 = 9,772.85/x
  3. Step 3: Cross multiply
    26,416.61x = 39,620.70 × 9,772.85
  4. Step 4: Simplify right side
    26,416.61x = 387,207,109.13
  5. Step 5: Solve for x
    x = 387,207,109.13/26,416.61
  6. Step 6: Final answer
    x = 14,657.72

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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.