Home / 18,897.33-28,350.06-5,750.76

Finding the Fourth Proportional to 18,897.33, 28,350.06 and 5,750.76

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Solution

The fourth proportional to 18,897.33, 28,350.06 and 5,750.76 is: 8,627.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897.33 : 28,350.06 = 5,750.76 : x
  2. Step 2: Convert to fraction form
    18,897.33/28,350.06 = 5,750.76/x
  3. Step 3: Cross multiply
    18,897.33x = 28,350.06 × 5,750.76
  4. Step 4: Simplify right side
    18,897.33x = 163,034,391.05
  5. Step 5: Solve for x
    x = 163,034,391.05/18,897.33
  6. Step 6: Final answer
    x = 8,627.38

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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.