Home / 24,515.12-33,865.32-21,861.68

Finding the Fourth Proportional to 24,515.12, 33,865.32 and 21,861.68

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Solution

The fourth proportional to 24,515.12, 33,865.32 and 21,861.68 is: 30,199.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,515.12 : 33,865.32 = 21,861.68 : x
  2. Step 2: Convert to fraction form
    24,515.12/33,865.32 = 21,861.68/x
  3. Step 3: Cross multiply
    24,515.12x = 33,865.32 × 21,861.68
  4. Step 4: Simplify right side
    24,515.12x = 740,352,788.94
  5. Step 5: Solve for x
    x = 740,352,788.94/24,515.12
  6. Step 6: Final answer
    x = 30,199.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.