Home / 17,219.49-25,833.84-13,722.72

Finding the Fourth Proportional to 17,219.49, 25,833.84 and 13,722.72

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Solution

The fourth proportional to 17,219.49, 25,833.84 and 13,722.72 is: 20,587.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219.49 : 25,833.84 = 13,722.72 : x
  2. Step 2: Convert to fraction form
    17,219.49/25,833.84 = 13,722.72/x
  3. Step 3: Cross multiply
    17,219.49x = 25,833.84 × 13,722.72
  4. Step 4: Simplify right side
    17,219.49x = 354,510,552.84
  5. Step 5: Solve for x
    x = 354,510,552.84/17,219.49
  6. Step 6: Final answer
    x = 20,587.75

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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.