Home / 20,107.06-27,746.52-11,032.22

Finding the Fourth Proportional to 20,107.06, 27,746.52 and 11,032.22

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Solution

The fourth proportional to 20,107.06, 27,746.52 and 11,032.22 is: 15,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,107.06 : 27,746.52 = 11,032.22 : x
  2. Step 2: Convert to fraction form
    20,107.06/27,746.52 = 11,032.22/x
  3. Step 3: Cross multiply
    20,107.06x = 27,746.52 × 11,032.22
  4. Step 4: Simplify right side
    20,107.06x = 306,105,740.87
  5. Step 5: Solve for x
    x = 306,105,740.87/20,107.06
  6. Step 6: Final answer
    x = 15,223.80

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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.