Home / 19,153.08-28,670.22-10,366.20

Finding the Fourth Proportional to 19,153.08, 28,670.22 and 10,366.20

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Solution

The fourth proportional to 19,153.08, 28,670.22 and 10,366.20 is: 15,517.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.08 : 28,670.22 = 10,366.20 : x
  2. Step 2: Convert to fraction form
    19,153.08/28,670.22 = 10,366.20/x
  3. Step 3: Cross multiply
    19,153.08x = 28,670.22 × 10,366.20
  4. Step 4: Simplify right side
    19,153.08x = 297,201,234.56
  5. Step 5: Solve for x
    x = 297,201,234.56/19,153.08
  6. Step 6: Final answer
    x = 15,517.15

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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.