Home / 22,870.60-34,289.70-8,825.20

Finding the Fourth Proportional to 22,870.60, 34,289.70 and 8,825.20

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Solution

The fourth proportional to 22,870.60, 34,289.70 and 8,825.20 is: 13,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,870.60 : 34,289.70 = 8,825.20 : x
  2. Step 2: Convert to fraction form
    22,870.60/34,289.70 = 8,825.20/x
  3. Step 3: Cross multiply
    22,870.60x = 34,289.70 × 8,825.20
  4. Step 4: Simplify right side
    22,870.60x = 302,613,460.44
  5. Step 5: Solve for x
    x = 302,613,460.44/22,870.60
  6. Step 6: Final answer
    x = 13,231.55

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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.