Home / 19,153.20-28,794.60-15,299.76

Finding the Fourth Proportional to 19,153.20, 28,794.60 and 15,299.76

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Solution

The fourth proportional to 19,153.20, 28,794.60 and 15,299.76 is: 23,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.20 : 28,794.60 = 15,299.76 : x
  2. Step 2: Convert to fraction form
    19,153.20/28,794.60 = 15,299.76/x
  3. Step 3: Cross multiply
    19,153.20x = 28,794.60 × 15,299.76
  4. Step 4: Simplify right side
    19,153.20x = 440,550,469.30
  5. Step 5: Solve for x
    x = 440,550,469.30/19,153.20
  6. Step 6: Final answer
    x = 23,001.40

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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.