Home / 27,611.13-41,354.39-12,788.91

Finding the Fourth Proportional to 27,611.13, 41,354.39 and 12,788.91

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Solution

The fourth proportional to 27,611.13, 41,354.39 and 12,788.91 is: 19,154.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,611.13 : 41,354.39 = 12,788.91 : x
  2. Step 2: Convert to fraction form
    27,611.13/41,354.39 = 12,788.91/x
  3. Step 3: Cross multiply
    27,611.13x = 41,354.39 × 12,788.91
  4. Step 4: Simplify right side
    27,611.13x = 528,877,507.87
  5. Step 5: Solve for x
    x = 528,877,507.87/27,611.13
  6. Step 6: Final answer
    x = 19,154.50

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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.