Home / 22,438.54-33,665.37-12,585.70

Finding the Fourth Proportional to 22,438.54, 33,665.37 and 12,585.70

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Solution

The fourth proportional to 22,438.54, 33,665.37 and 12,585.70 is: 18,882.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,438.54 : 33,665.37 = 12,585.70 : x
  2. Step 2: Convert to fraction form
    22,438.54/33,665.37 = 12,585.70/x
  3. Step 3: Cross multiply
    22,438.54x = 33,665.37 × 12,585.70
  4. Step 4: Simplify right side
    22,438.54x = 423,702,247.21
  5. Step 5: Solve for x
    x = 423,702,247.21/22,438.54
  6. Step 6: Final answer
    x = 18,882.79

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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.