Home / 19,253.76-28,880.43-6,105.78

Finding the Fourth Proportional to 19,253.76, 28,880.43 and 6,105.78

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Solution

The fourth proportional to 19,253.76, 28,880.43 and 6,105.78 is: 9,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253.76 : 28,880.43 = 6,105.78 : x
  2. Step 2: Convert to fraction form
    19,253.76/28,880.43 = 6,105.78/x
  3. Step 3: Cross multiply
    19,253.76x = 28,880.43 × 6,105.78
  4. Step 4: Simplify right side
    19,253.76x = 176,337,551.89
  5. Step 5: Solve for x
    x = 176,337,551.89/19,253.76
  6. Step 6: Final answer
    x = 9,158.60

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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.