Home / 19,679.15-27,157.37-10,726.62

Finding the Fourth Proportional to 19,679.15, 27,157.37 and 10,726.62

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Solution

The fourth proportional to 19,679.15, 27,157.37 and 10,726.62 is: 14,802.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679.15 : 27,157.37 = 10,726.62 : x
  2. Step 2: Convert to fraction form
    19,679.15/27,157.37 = 10,726.62/x
  3. Step 3: Cross multiply
    19,679.15x = 27,157.37 × 10,726.62
  4. Step 4: Simplify right side
    19,679.15x = 291,306,734.56
  5. Step 5: Solve for x
    x = 291,306,734.56/19,679.15
  6. Step 6: Final answer
    x = 14,802.81

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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.