Home / 22,858.20-34,289.76-7,272.18

Finding the Fourth Proportional to 22,858.20, 34,289.76 and 7,272.18

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Solution

The fourth proportional to 22,858.20, 34,289.76 and 7,272.18 is: 10,909.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,858.20 : 34,289.76 = 7,272.18 : x
  2. Step 2: Convert to fraction form
    22,858.20/34,289.76 = 7,272.18/x
  3. Step 3: Cross multiply
    22,858.20x = 34,289.76 × 7,272.18
  4. Step 4: Simplify right side
    22,858.20x = 249,361,306.88
  5. Step 5: Solve for x
    x = 249,361,306.88/22,858.20
  6. Step 6: Final answer
    x = 10,909.05

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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.