Home / 19,230.48-28,854.60-7,546.80

Finding the Fourth Proportional to 19,230.48, 28,854.60 and 7,546.80

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Solution

The fourth proportional to 19,230.48, 28,854.60 and 7,546.80 is: 11,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230.48 : 28,854.60 = 7,546.80 : x
  2. Step 2: Convert to fraction form
    19,230.48/28,854.60 = 7,546.80/x
  3. Step 3: Cross multiply
    19,230.48x = 28,854.60 × 7,546.80
  4. Step 4: Simplify right side
    19,230.48x = 217,759,895.28
  5. Step 5: Solve for x
    x = 217,759,895.28/19,230.48
  6. Step 6: Final answer
    x = 11,323.68

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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.