Home / 22,236.24-30,633.84-15,509.76

Finding the Fourth Proportional to 22,236.24, 30,633.84 and 15,509.76

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Solution

The fourth proportional to 22,236.24, 30,633.84 and 15,509.76 is: 21,367.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.24 : 30,633.84 = 15,509.76 : x
  2. Step 2: Convert to fraction form
    22,236.24/30,633.84 = 15,509.76/x
  3. Step 3: Cross multiply
    22,236.24x = 30,633.84 × 15,509.76
  4. Step 4: Simplify right side
    22,236.24x = 475,123,506.28
  5. Step 5: Solve for x
    x = 475,123,506.28/22,236.24
  6. Step 6: Final answer
    x = 21,367.08

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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.