Home / 26,749.40-36,910.55-14,812.43

Finding the Fourth Proportional to 26,749.40, 36,910.55 and 14,812.43

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Solution

The fourth proportional to 26,749.40, 36,910.55 and 14,812.43 is: 20,439.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,749.40 : 36,910.55 = 14,812.43 : x
  2. Step 2: Convert to fraction form
    26,749.40/36,910.55 = 14,812.43/x
  3. Step 3: Cross multiply
    26,749.40x = 36,910.55 × 14,812.43
  4. Step 4: Simplify right side
    26,749.40x = 546,734,790.61
  5. Step 5: Solve for x
    x = 546,734,790.61/26,749.40
  6. Step 6: Final answer
    x = 20,439.15

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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.