Home / 18,191.40-27,243.26-10,376.52

Finding the Fourth Proportional to 18,191.40, 27,243.26 and 10,376.52

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Solution

The fourth proportional to 18,191.40, 27,243.26 and 10,376.52 is: 15,539.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.40 : 27,243.26 = 10,376.52 : x
  2. Step 2: Convert to fraction form
    18,191.40/27,243.26 = 10,376.52/x
  3. Step 3: Cross multiply
    18,191.40x = 27,243.26 × 10,376.52
  4. Step 4: Simplify right side
    18,191.40x = 282,690,232.26
  5. Step 5: Solve for x
    x = 282,690,232.26/18,191.40
  6. Step 6: Final answer
    x = 15,539.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.