Home / 23,317.94-34,987.24-12,221.99

Finding the Fourth Proportional to 23,317.94, 34,987.24 and 12,221.99

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Solution

The fourth proportional to 23,317.94, 34,987.24 and 12,221.99 is: 18,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,317.94 : 34,987.24 = 12,221.99 : x
  2. Step 2: Convert to fraction form
    23,317.94/34,987.24 = 12,221.99/x
  3. Step 3: Cross multiply
    23,317.94x = 34,987.24 × 12,221.99
  4. Step 4: Simplify right side
    23,317.94x = 427,613,697.41
  5. Step 5: Solve for x
    x = 427,613,697.41/23,317.94
  6. Step 6: Final answer
    x = 18,338.40

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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.