Home / 19,436.43-26,757.42-18,543.75

Finding the Fourth Proportional to 19,436.43, 26,757.42 and 18,543.75

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Solution

The fourth proportional to 19,436.43, 26,757.42 and 18,543.75 is: 25,528.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.43 : 26,757.42 = 18,543.75 : x
  2. Step 2: Convert to fraction form
    19,436.43/26,757.42 = 18,543.75/x
  3. Step 3: Cross multiply
    19,436.43x = 26,757.42 × 18,543.75
  4. Step 4: Simplify right side
    19,436.43x = 496,182,907.13
  5. Step 5: Solve for x
    x = 496,182,907.13/19,436.43
  6. Step 6: Final answer
    x = 25,528.50

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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.