Home / 19,153.58-28,670.97-10,366.70

Finding the Fourth Proportional to 19,153.58, 28,670.97 and 10,366.70

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Solution

The fourth proportional to 19,153.58, 28,670.97 and 10,366.70 is: 15,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.58 : 28,670.97 = 10,366.70 : x
  2. Step 2: Convert to fraction form
    19,153.58/28,670.97 = 10,366.70/x
  3. Step 3: Cross multiply
    19,153.58x = 28,670.97 × 10,366.70
  4. Step 4: Simplify right side
    19,153.58x = 297,223,344.70
  5. Step 5: Solve for x
    x = 297,223,344.70/19,153.58
  6. Step 6: Final answer
    x = 15,517.90

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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.