Home / 19,962.11-27,547.88-11,009.92

Finding the Fourth Proportional to 19,962.11, 27,547.88 and 11,009.92

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Solution

The fourth proportional to 19,962.11, 27,547.88 and 11,009.92 is: 15,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.11 : 27,547.88 = 11,009.92 : x
  2. Step 2: Convert to fraction form
    19,962.11/27,547.88 = 11,009.92/x
  3. Step 3: Cross multiply
    19,962.11x = 27,547.88 × 11,009.92
  4. Step 4: Simplify right side
    19,962.11x = 303,299,954.97
  5. Step 5: Solve for x
    x = 303,299,954.97/19,962.11
  6. Step 6: Final answer
    x = 15,193.78

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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.