Home / 19,607.13-27,056.97-11,109.09

Finding the Fourth Proportional to 19,607.13, 27,056.97 and 11,109.09

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Solution

The fourth proportional to 19,607.13, 27,056.97 and 11,109.09 is: 15,330.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,607.13 : 27,056.97 = 11,109.09 : x
  2. Step 2: Convert to fraction form
    19,607.13/27,056.97 = 11,109.09/x
  3. Step 3: Cross multiply
    19,607.13x = 27,056.97 × 11,109.09
  4. Step 4: Simplify right side
    19,607.13x = 300,578,314.86
  5. Step 5: Solve for x
    x = 300,578,314.86/19,607.13
  6. Step 6: Final answer
    x = 15,330.05

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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.