Home / 19,153.12-28,756.59-9,799.85

Finding the Fourth Proportional to 19,153.12, 28,756.59 and 9,799.85

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Solution

The fourth proportional to 19,153.12, 28,756.59 and 9,799.85 is: 14,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.12 : 28,756.59 = 9,799.85 : x
  2. Step 2: Convert to fraction form
    19,153.12/28,756.59 = 9,799.85/x
  3. Step 3: Cross multiply
    19,153.12x = 28,756.59 × 9,799.85
  4. Step 4: Simplify right side
    19,153.12x = 281,810,124.73
  5. Step 5: Solve for x
    x = 281,810,124.73/19,153.12
  6. Step 6: Final answer
    x = 14,713.54

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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.