Home / 19,415.70-26,793.99-10,919.61

Finding the Fourth Proportional to 19,415.70, 26,793.99 and 10,919.61

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Solution

The fourth proportional to 19,415.70, 26,793.99 and 10,919.61 is: 15,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.70 : 26,793.99 = 10,919.61 : x
  2. Step 2: Convert to fraction form
    19,415.70/26,793.99 = 10,919.61/x
  3. Step 3: Cross multiply
    19,415.70x = 26,793.99 × 10,919.61
  4. Step 4: Simplify right side
    19,415.70x = 292,579,921.14
  5. Step 5: Solve for x
    x = 292,579,921.14/19,415.70
  6. Step 6: Final answer
    x = 15,069.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.