Home / 14,391.42-21,589.59-6,600.90

Finding the Fourth Proportional to 14,391.42, 21,589.59 and 6,600.90

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Solution

The fourth proportional to 14,391.42, 21,589.59 and 6,600.90 is: 9,902.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.42 : 21,589.59 = 6,600.90 : x
  2. Step 2: Convert to fraction form
    14,391.42/21,589.59 = 6,600.90/x
  3. Step 3: Cross multiply
    14,391.42x = 21,589.59 × 6,600.90
  4. Step 4: Simplify right side
    14,391.42x = 142,510,724.63
  5. Step 5: Solve for x
    x = 142,510,724.63/14,391.42
  6. Step 6: Final answer
    x = 9,902.48

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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.