Home / 19,707.21-27,193.56-11,210.41

Finding the Fourth Proportional to 19,707.21, 27,193.56 and 11,210.41

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Solution

The fourth proportional to 19,707.21, 27,193.56 and 11,210.41 is: 15,469.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.21 : 27,193.56 = 11,210.41 : x
  2. Step 2: Convert to fraction form
    19,707.21/27,193.56 = 11,210.41/x
  3. Step 3: Cross multiply
    19,707.21x = 27,193.56 × 11,210.41
  4. Step 4: Simplify right side
    19,707.21x = 304,850,948.91
  5. Step 5: Solve for x
    x = 304,850,948.91/19,707.21
  6. Step 6: Final answer
    x = 15,469.01

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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.