Home / 23,890.56-35,839.68-8,312.64

Finding the Fourth Proportional to 23,890.56, 35,839.68 and 8,312.64

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Solution

The fourth proportional to 23,890.56, 35,839.68 and 8,312.64 is: 12,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,890.56 : 35,839.68 = 8,312.64 : x
  2. Step 2: Convert to fraction form
    23,890.56/35,839.68 = 8,312.64/x
  3. Step 3: Cross multiply
    23,890.56x = 35,839.68 × 8,312.64
  4. Step 4: Simplify right side
    23,890.56x = 297,922,357.56
  5. Step 5: Solve for x
    x = 297,922,357.56/23,890.56
  6. Step 6: Final answer
    x = 12,470.30

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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.