Home / 22,770.48-34,157.20-9,621.12

Finding the Fourth Proportional to 22,770.48, 34,157.20 and 9,621.12

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Solution

The fourth proportional to 22,770.48, 34,157.20 and 9,621.12 is: 14,432.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,770.48 : 34,157.20 = 9,621.12 : x
  2. Step 2: Convert to fraction form
    22,770.48/34,157.20 = 9,621.12/x
  3. Step 3: Cross multiply
    22,770.48x = 34,157.20 × 9,621.12
  4. Step 4: Simplify right side
    22,770.48x = 328,630,520.06
  5. Step 5: Solve for x
    x = 328,630,520.06/22,770.48
  6. Step 6: Final answer
    x = 14,432.31

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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.