Home / 26,338.21-39,509.13-8,805.76

Finding the Fourth Proportional to 26,338.21, 39,509.13 and 8,805.76

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Solution

The fourth proportional to 26,338.21, 39,509.13 and 8,805.76 is: 13,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,338.21 : 39,509.13 = 8,805.76 : x
  2. Step 2: Convert to fraction form
    26,338.21/39,509.13 = 8,805.76/x
  3. Step 3: Cross multiply
    26,338.21x = 39,509.13 × 8,805.76
  4. Step 4: Simplify right side
    26,338.21x = 347,907,916.59
  5. Step 5: Solve for x
    x = 347,907,916.59/26,338.21
  6. Step 6: Final answer
    x = 13,209.25

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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.