Home / 19,962.10-27,546.78-11,008.90

Finding the Fourth Proportional to 19,962.10, 27,546.78 and 11,008.90

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Solution

The fourth proportional to 19,962.10, 27,546.78 and 11,008.90 is: 15,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.10 : 27,546.78 = 11,008.90 : x
  2. Step 2: Convert to fraction form
    19,962.10/27,546.78 = 11,008.90/x
  3. Step 3: Cross multiply
    19,962.10x = 27,546.78 × 11,008.90
  4. Step 4: Simplify right side
    19,962.10x = 303,259,746.34
  5. Step 5: Solve for x
    x = 303,259,746.34/19,962.10
  6. Step 6: Final answer
    x = 15,191.78

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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.