Home / 18,403.47-25,392.34-10,850.15

Finding the Fourth Proportional to 18,403.47, 25,392.34 and 10,850.15

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Solution

The fourth proportional to 18,403.47, 25,392.34 and 10,850.15 is: 14,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.47 : 25,392.34 = 10,850.15 : x
  2. Step 2: Convert to fraction form
    18,403.47/25,392.34 = 10,850.15/x
  3. Step 3: Cross multiply
    18,403.47x = 25,392.34 × 10,850.15
  4. Step 4: Simplify right side
    18,403.47x = 275,510,697.85
  5. Step 5: Solve for x
    x = 275,510,697.85/18,403.47
  6. Step 6: Final answer
    x = 14,970.58

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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.