Home / 22,572.14-33,858.74-7,780.86

Finding the Fourth Proportional to 22,572.14, 33,858.74 and 7,780.86

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Solution

The fourth proportional to 22,572.14, 33,858.74 and 7,780.86 is: 11,671.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,572.14 : 33,858.74 = 7,780.86 : x
  2. Step 2: Convert to fraction form
    22,572.14/33,858.74 = 7,780.86/x
  3. Step 3: Cross multiply
    22,572.14x = 33,858.74 × 7,780.86
  4. Step 4: Simplify right side
    22,572.14x = 263,450,135.17
  5. Step 5: Solve for x
    x = 263,450,135.17/22,572.14
  6. Step 6: Final answer
    x = 11,671.48

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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.