Home / 19,115.60-28,673.88-9,253.04

Finding the Fourth Proportional to 19,115.60, 28,673.88 and 9,253.04

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Solution

The fourth proportional to 19,115.60, 28,673.88 and 9,253.04 is: 13,879.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.60 : 28,673.88 = 9,253.04 : x
  2. Step 2: Convert to fraction form
    19,115.60/28,673.88 = 9,253.04/x
  3. Step 3: Cross multiply
    19,115.60x = 28,673.88 × 9,253.04
  4. Step 4: Simplify right side
    19,115.60x = 265,320,558.60
  5. Step 5: Solve for x
    x = 265,320,558.60/19,115.60
  6. Step 6: Final answer
    x = 13,879.79

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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.