Home / 34,726.28-47,919.42-19,620.25

Finding the Fourth Proportional to 34,726.28, 47,919.42 and 19,620.25

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Solution

The fourth proportional to 34,726.28, 47,919.42 and 19,620.25 is: 27,074.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,726.28 : 47,919.42 = 19,620.25 : x
  2. Step 2: Convert to fraction form
    34,726.28/47,919.42 = 19,620.25/x
  3. Step 3: Cross multiply
    34,726.28x = 47,919.42 × 19,620.25
  4. Step 4: Simplify right side
    34,726.28x = 940,191,000.26
  5. Step 5: Solve for x
    x = 940,191,000.26/34,726.28
  6. Step 6: Final answer
    x = 27,074.34

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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.