Home / 18,775.07-28,161.52-6,294.59

Finding the Fourth Proportional to 18,775.07, 28,161.52 and 6,294.59

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Solution

The fourth proportional to 18,775.07, 28,161.52 and 6,294.59 is: 9,441.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,775.07 : 28,161.52 = 6,294.59 : x
  2. Step 2: Convert to fraction form
    18,775.07/28,161.52 = 6,294.59/x
  3. Step 3: Cross multiply
    18,775.07x = 28,161.52 × 6,294.59
  4. Step 4: Simplify right side
    18,775.07x = 177,265,222.18
  5. Step 5: Solve for x
    x = 177,265,222.18/18,775.07
  6. Step 6: Final answer
    x = 9,441.52

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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.