Home / 74,436.93-111,653.55-18,276.57

Finding the Fourth Proportional to 74,436.93, 111,653.55 and 18,276.57

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Solution

The fourth proportional to 74,436.93, 111,653.55 and 18,276.57 is: 27,414.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,436.93 : 111,653.55 = 18,276.57 : x
  2. Step 2: Convert to fraction form
    74,436.93/111,653.55 = 18,276.57/x
  3. Step 3: Cross multiply
    74,436.93x = 111,653.55 × 18,276.57
  4. Step 4: Simplify right side
    74,436.93x = 2,040,643,922.32
  5. Step 5: Solve for x
    x = 2,040,643,922.32/74,436.93
  6. Step 6: Final answer
    x = 27,414.40

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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.