Home / 14,206.38-21,315.03-5,441.97

Finding the Fourth Proportional to 14,206.38, 21,315.03 and 5,441.97

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Solution

The fourth proportional to 14,206.38, 21,315.03 and 5,441.97 is: 8,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.38 : 21,315.03 = 5,441.97 : x
  2. Step 2: Convert to fraction form
    14,206.38/21,315.03 = 5,441.97/x
  3. Step 3: Cross multiply
    14,206.38x = 21,315.03 × 5,441.97
  4. Step 4: Simplify right side
    14,206.38x = 115,995,753.81
  5. Step 5: Solve for x
    x = 115,995,753.81/14,206.38
  6. Step 6: Final answer
    x = 8,165.05

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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.