Home / 19,033.50-28,560.48-7,947.78

Finding the Fourth Proportional to 19,033.50, 28,560.48 and 7,947.78

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Solution

The fourth proportional to 19,033.50, 28,560.48 and 7,947.78 is: 11,925.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,033.50 : 28,560.48 = 7,947.78 : x
  2. Step 2: Convert to fraction form
    19,033.50/28,560.48 = 7,947.78/x
  3. Step 3: Cross multiply
    19,033.50x = 28,560.48 × 7,947.78
  4. Step 4: Simplify right side
    19,033.50x = 226,992,411.73
  5. Step 5: Solve for x
    x = 226,992,411.73/19,033.50
  6. Step 6: Final answer
    x = 11,925.94

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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.