Home / 19,962.20-27,549.09-11,009.72

Finding the Fourth Proportional to 19,962.20, 27,549.09 and 11,009.72

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Solution

The fourth proportional to 19,962.20, 27,549.09 and 11,009.72 is: 15,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.20 : 27,549.09 = 11,009.72 : x
  2. Step 2: Convert to fraction form
    19,962.20/27,549.09 = 11,009.72/x
  3. Step 3: Cross multiply
    19,962.20x = 27,549.09 × 11,009.72
  4. Step 4: Simplify right side
    19,962.20x = 303,307,629.41
  5. Step 5: Solve for x
    x = 303,307,629.41/19,962.20
  6. Step 6: Final answer
    x = 15,194.10

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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.