Home / 13,919.06-20,826.28-9,767.17

Finding the Fourth Proportional to 13,919.06, 20,826.28 and 9,767.17

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Solution

The fourth proportional to 13,919.06, 20,826.28 and 9,767.17 is: 14,614.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,919.06 : 20,826.28 = 9,767.17 : x
  2. Step 2: Convert to fraction form
    13,919.06/20,826.28 = 9,767.17/x
  3. Step 3: Cross multiply
    13,919.06x = 20,826.28 × 9,767.17
  4. Step 4: Simplify right side
    13,919.06x = 203,413,855.47
  5. Step 5: Solve for x
    x = 203,413,855.47/13,919.06
  6. Step 6: Final answer
    x = 14,614.05

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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.