Home / 26,657.85-39,986.55-10,859.16

Finding the Fourth Proportional to 26,657.85, 39,986.55 and 10,859.16

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Solution

The fourth proportional to 26,657.85, 39,986.55 and 10,859.16 is: 16,288.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,657.85 : 39,986.55 = 10,859.16 : x
  2. Step 2: Convert to fraction form
    26,657.85/39,986.55 = 10,859.16/x
  3. Step 3: Cross multiply
    26,657.85x = 39,986.55 × 10,859.16
  4. Step 4: Simplify right side
    26,657.85x = 434,220,344.30
  5. Step 5: Solve for x
    x = 434,220,344.30/26,657.85
  6. Step 6: Final answer
    x = 16,288.65

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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.