Home / 26,441.30-39,645.96-12,404.40

Finding the Fourth Proportional to 26,441.30, 39,645.96 and 12,404.40

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Solution

The fourth proportional to 26,441.30, 39,645.96 and 12,404.40 is: 18,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,441.30 : 39,645.96 = 12,404.40 : x
  2. Step 2: Convert to fraction form
    26,441.30/39,645.96 = 12,404.40/x
  3. Step 3: Cross multiply
    26,441.30x = 39,645.96 × 12,404.40
  4. Step 4: Simplify right side
    26,441.30x = 491,784,346.22
  5. Step 5: Solve for x
    x = 491,784,346.22/26,441.30
  6. Step 6: Final answer
    x = 18,599.10

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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.