Home / 26,520.30-39,774.27-11,721.15

Finding the Fourth Proportional to 26,520.30, 39,774.27 and 11,721.15

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Solution

The fourth proportional to 26,520.30, 39,774.27 and 11,721.15 is: 17,578.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,520.30 : 39,774.27 = 11,721.15 : x
  2. Step 2: Convert to fraction form
    26,520.30/39,774.27 = 11,721.15/x
  3. Step 3: Cross multiply
    26,520.30x = 39,774.27 × 11,721.15
  4. Step 4: Simplify right side
    26,520.30x = 466,200,184.81
  5. Step 5: Solve for x
    x = 466,200,184.81/26,520.30
  6. Step 6: Final answer
    x = 17,578.99

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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.