Home / 18,947.58-28,424.61-5,798.58

Finding the Fourth Proportional to 18,947.58, 28,424.61 and 5,798.58

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Solution

The fourth proportional to 18,947.58, 28,424.61 and 5,798.58 is: 8,698.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.58 : 28,424.61 = 5,798.58 : x
  2. Step 2: Convert to fraction form
    18,947.58/28,424.61 = 5,798.58/x
  3. Step 3: Cross multiply
    18,947.58x = 28,424.61 × 5,798.58
  4. Step 4: Simplify right side
    18,947.58x = 164,822,375.05
  5. Step 5: Solve for x
    x = 164,822,375.05/18,947.58
  6. Step 6: Final answer
    x = 8,698.86

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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.