Home / 18,370.20-25,350.64-10,816.84

Finding the Fourth Proportional to 18,370.20, 25,350.64 and 10,816.84

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Solution

The fourth proportional to 18,370.20, 25,350.64 and 10,816.84 is: 14,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.20 : 25,350.64 = 10,816.84 : x
  2. Step 2: Convert to fraction form
    18,370.20/25,350.64 = 10,816.84/x
  3. Step 3: Cross multiply
    18,370.20x = 25,350.64 × 10,816.84
  4. Step 4: Simplify right side
    18,370.20x = 274,213,816.78
  5. Step 5: Solve for x
    x = 274,213,816.78/18,370.20
  6. Step 6: Final answer
    x = 14,927.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.