Home / 26,635.85-36,759.55-15,309.30

Finding the Fourth Proportional to 26,635.85, 36,759.55 and 15,309.30

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Solution

The fourth proportional to 26,635.85, 36,759.55 and 15,309.30 is: 21,128.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,635.85 : 36,759.55 = 15,309.30 : x
  2. Step 2: Convert to fraction form
    26,635.85/36,759.55 = 15,309.30/x
  3. Step 3: Cross multiply
    26,635.85x = 36,759.55 × 15,309.30
  4. Step 4: Simplify right side
    26,635.85x = 562,762,978.82
  5. Step 5: Solve for x
    x = 562,762,978.82/26,635.85
  6. Step 6: Final answer
    x = 21,128.03

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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.