Home / 19,707.56-27,196.18-11,324.20

Finding the Fourth Proportional to 19,707.56, 27,196.18 and 11,324.20

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Solution

The fourth proportional to 19,707.56, 27,196.18 and 11,324.20 is: 15,627.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.56 : 27,196.18 = 11,324.20 : x
  2. Step 2: Convert to fraction form
    19,707.56/27,196.18 = 11,324.20/x
  3. Step 3: Cross multiply
    19,707.56x = 27,196.18 × 11,324.20
  4. Step 4: Simplify right side
    19,707.56x = 307,974,981.56
  5. Step 5: Solve for x
    x = 307,974,981.56/19,707.56
  6. Step 6: Final answer
    x = 15,627.25

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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.