Home / 19,232.05-28,845.60-7,543.75

Finding the Fourth Proportional to 19,232.05, 28,845.60 and 7,543.75

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Solution

The fourth proportional to 19,232.05, 28,845.60 and 7,543.75 is: 11,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,232.05 : 28,845.60 = 7,543.75 : x
  2. Step 2: Convert to fraction form
    19,232.05/28,845.60 = 7,543.75/x
  3. Step 3: Cross multiply
    19,232.05x = 28,845.60 × 7,543.75
  4. Step 4: Simplify right side
    19,232.05x = 217,603,995
  5. Step 5: Solve for x
    x = 217,603,995/19,232.05
  6. Step 6: Final answer
    x = 11,314.65

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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.