Home / 19,074.53-28,591.14-7,987.25

Finding the Fourth Proportional to 19,074.53, 28,591.14 and 7,987.25

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Solution

The fourth proportional to 19,074.53, 28,591.14 and 7,987.25 is: 11,972.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,074.53 : 28,591.14 = 7,987.25 : x
  2. Step 2: Convert to fraction form
    19,074.53/28,591.14 = 7,987.25/x
  3. Step 3: Cross multiply
    19,074.53x = 28,591.14 × 7,987.25
  4. Step 4: Simplify right side
    19,074.53x = 228,364,582.97
  5. Step 5: Solve for x
    x = 228,364,582.97/19,074.53
  6. Step 6: Final answer
    x = 11,972.23

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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.