Home / 14,152.68-21,229.23-5,388.08

Finding the Fourth Proportional to 14,152.68, 21,229.23 and 5,388.08

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Solution

The fourth proportional to 14,152.68, 21,229.23 and 5,388.08 is: 8,082.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.68 : 21,229.23 = 5,388.08 : x
  2. Step 2: Convert to fraction form
    14,152.68/21,229.23 = 5,388.08/x
  3. Step 3: Cross multiply
    14,152.68x = 21,229.23 × 5,388.08
  4. Step 4: Simplify right side
    14,152.68x = 114,384,723.04
  5. Step 5: Solve for x
    x = 114,384,723.04/14,152.68
  6. Step 6: Final answer
    x = 8,082.19

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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.