Home / 22,809.40-34,218.90-7,228.60

Finding the Fourth Proportional to 22,809.40, 34,218.90 and 7,228.60

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Solution

The fourth proportional to 22,809.40, 34,218.90 and 7,228.60 is: 10,844.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,809.40 : 34,218.90 = 7,228.60 : x
  2. Step 2: Convert to fraction form
    22,809.40/34,218.90 = 7,228.60/x
  3. Step 3: Cross multiply
    22,809.40x = 34,218.90 × 7,228.60
  4. Step 4: Simplify right side
    22,809.40x = 247,354,740.54
  5. Step 5: Solve for x
    x = 247,354,740.54/22,809.40
  6. Step 6: Final answer
    x = 10,844.42

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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.