Home / 22,455.82-33,686.80-7,660.76

Finding the Fourth Proportional to 22,455.82, 33,686.80 and 7,660.76

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Solution

The fourth proportional to 22,455.82, 33,686.80 and 7,660.76 is: 11,492.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,455.82 : 33,686.80 = 7,660.76 : x
  2. Step 2: Convert to fraction form
    22,455.82/33,686.80 = 7,660.76/x
  3. Step 3: Cross multiply
    22,455.82x = 33,686.80 × 7,660.76
  4. Step 4: Simplify right side
    22,455.82x = 258,066,491.87
  5. Step 5: Solve for x
    x = 258,066,491.87/22,455.82
  6. Step 6: Final answer
    x = 11,492.19

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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.