Home / 19,132.66-26,405.09-11,177.46

Finding the Fourth Proportional to 19,132.66, 26,405.09 and 11,177.46

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Solution

The fourth proportional to 19,132.66, 26,405.09 and 11,177.46 is: 15,426.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132.66 : 26,405.09 = 11,177.46 : x
  2. Step 2: Convert to fraction form
    19,132.66/26,405.09 = 11,177.46/x
  3. Step 3: Cross multiply
    19,132.66x = 26,405.09 × 11,177.46
  4. Step 4: Simplify right side
    19,132.66x = 295,141,837.27
  5. Step 5: Solve for x
    x = 295,141,837.27/19,132.66
  6. Step 6: Final answer
    x = 15,426.07

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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.