Home / 22,196.58-30,632.19-12,765.14

Finding the Fourth Proportional to 22,196.58, 30,632.19 and 12,765.14

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Solution

The fourth proportional to 22,196.58, 30,632.19 and 12,765.14 is: 17,616.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,196.58 : 30,632.19 = 12,765.14 : x
  2. Step 2: Convert to fraction form
    22,196.58/30,632.19 = 12,765.14/x
  3. Step 3: Cross multiply
    22,196.58x = 30,632.19 × 12,765.14
  4. Step 4: Simplify right side
    22,196.58x = 391,024,040.70
  5. Step 5: Solve for x
    x = 391,024,040.70/22,196.58
  6. Step 6: Final answer
    x = 17,616.41

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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.