Home / 23,317.19-34,986.11-12,221.24

Finding the Fourth Proportional to 23,317.19, 34,986.11 and 12,221.24

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Solution

The fourth proportional to 23,317.19, 34,986.11 and 12,221.24 is: 18,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,317.19 : 34,986.11 = 12,221.24 : x
  2. Step 2: Convert to fraction form
    23,317.19/34,986.11 = 12,221.24/x
  3. Step 3: Cross multiply
    23,317.19x = 34,986.11 × 12,221.24
  4. Step 4: Simplify right side
    23,317.19x = 427,573,646.98
  5. Step 5: Solve for x
    x = 427,573,646.98/23,317.19
  6. Step 6: Final answer
    x = 18,337.27

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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.