Home / 19,906.80-27,471.74-10,954.22

Finding the Fourth Proportional to 19,906.80, 27,471.74 and 10,954.22

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Solution

The fourth proportional to 19,906.80, 27,471.74 and 10,954.22 is: 15,117.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.80 : 27,471.74 = 10,954.22 : x
  2. Step 2: Convert to fraction form
    19,906.80/27,471.74 = 10,954.22/x
  3. Step 3: Cross multiply
    19,906.80x = 27,471.74 × 10,954.22
  4. Step 4: Simplify right side
    19,906.80x = 300,931,483.74
  5. Step 5: Solve for x
    x = 300,931,483.74/19,906.80
  6. Step 6: Final answer
    x = 15,117.02

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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.