Home / 20,041.65-27,774.25-19,759.77

Finding the Fourth Proportional to 20,041.65, 27,774.25 and 19,759.77

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Solution

The fourth proportional to 20,041.65, 27,774.25 and 19,759.77 is: 27,383.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.65 : 27,774.25 = 19,759.77 : x
  2. Step 2: Convert to fraction form
    20,041.65/27,774.25 = 19,759.77/x
  3. Step 3: Cross multiply
    20,041.65x = 27,774.25 × 19,759.77
  4. Step 4: Simplify right side
    20,041.65x = 548,812,742.52
  5. Step 5: Solve for x
    x = 548,812,742.52/20,041.65
  6. Step 6: Final answer
    x = 27,383.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.