Home / 18,975.33-28,460.50-5,826.60

Finding the Fourth Proportional to 18,975.33, 28,460.50 and 5,826.60

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Solution

The fourth proportional to 18,975.33, 28,460.50 and 5,826.60 is: 8,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.33 : 28,460.50 = 5,826.60 : x
  2. Step 2: Convert to fraction form
    18,975.33/28,460.50 = 5,826.60/x
  3. Step 3: Cross multiply
    18,975.33x = 28,460.50 × 5,826.60
  4. Step 4: Simplify right side
    18,975.33x = 165,827,934.73
  5. Step 5: Solve for x
    x = 165,827,934.73/18,975.33
  6. Step 6: Final answer
    x = 8,739.13

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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.