Home / 19,609.66-27,056.95-11,111.05

Finding the Fourth Proportional to 19,609.66, 27,056.95 and 11,111.05

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Solution

The fourth proportional to 19,609.66, 27,056.95 and 11,111.05 is: 15,330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,609.66 : 27,056.95 = 11,111.05 : x
  2. Step 2: Convert to fraction form
    19,609.66/27,056.95 = 11,111.05/x
  3. Step 3: Cross multiply
    19,609.66x = 27,056.95 × 11,111.05
  4. Step 4: Simplify right side
    19,609.66x = 300,631,028.88
  5. Step 5: Solve for x
    x = 300,631,028.88/19,609.66
  6. Step 6: Final answer
    x = 15,330.76

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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.