Home / 19,679.92-27,157.49-10,727.23

Finding the Fourth Proportional to 19,679.92, 27,157.49 and 10,727.23

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Solution

The fourth proportional to 19,679.92, 27,157.49 and 10,727.23 is: 14,803.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679.92 : 27,157.49 = 10,727.23 : x
  2. Step 2: Convert to fraction form
    19,679.92/27,157.49 = 10,727.23/x
  3. Step 3: Cross multiply
    19,679.92x = 27,157.49 × 10,727.23
  4. Step 4: Simplify right side
    19,679.92x = 291,324,641.45
  5. Step 5: Solve for x
    x = 291,324,641.45/19,679.92
  6. Step 6: Final answer
    x = 14,803.14

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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.