Home / 26,631.20-36,749.81-15,292.73

Finding the Fourth Proportional to 26,631.20, 36,749.81 and 15,292.73

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Solution

The fourth proportional to 26,631.20, 36,749.81 and 15,292.73 is: 21,103.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,631.20 : 36,749.81 = 15,292.73 : x
  2. Step 2: Convert to fraction form
    26,631.20/36,749.81 = 15,292.73/x
  3. Step 3: Cross multiply
    26,631.20x = 36,749.81 × 15,292.73
  4. Step 4: Simplify right side
    26,631.20x = 562,005,051.99
  5. Step 5: Solve for x
    x = 562,005,051.99/26,631.20
  6. Step 6: Final answer
    x = 21,103.25

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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.