Home / 12,832.80-19,251.90-5,433.45

Finding the Fourth Proportional to 12,832.80, 19,251.90 and 5,433.45

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Solution

The fourth proportional to 12,832.80, 19,251.90 and 5,433.45 is: 8,151.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,832.80 : 19,251.90 = 5,433.45 : x
  2. Step 2: Convert to fraction form
    12,832.80/19,251.90 = 5,433.45/x
  3. Step 3: Cross multiply
    12,832.80x = 19,251.90 × 5,433.45
  4. Step 4: Simplify right side
    12,832.80x = 104,604,236.06
  5. Step 5: Solve for x
    x = 104,604,236.06/12,832.80
  6. Step 6: Final answer
    x = 8,151.32

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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.