Home / 18,702.07-28,028.86-7,595.75

Finding the Fourth Proportional to 18,702.07, 28,028.86 and 7,595.75

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Solution

The fourth proportional to 18,702.07, 28,028.86 and 7,595.75 is: 11,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,702.07 : 28,028.86 = 7,595.75 : x
  2. Step 2: Convert to fraction form
    18,702.07/28,028.86 = 7,595.75/x
  3. Step 3: Cross multiply
    18,702.07x = 28,028.86 × 7,595.75
  4. Step 4: Simplify right side
    18,702.07x = 212,900,213.35
  5. Step 5: Solve for x
    x = 212,900,213.35/18,702.07
  6. Step 6: Final answer
    x = 11,383.78

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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.