Home / 18,392.04-25,380.78-10,008.54

Finding the Fourth Proportional to 18,392.04, 25,380.78 and 10,008.54

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Solution

The fourth proportional to 18,392.04, 25,380.78 and 10,008.54 is: 13,811.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392.04 : 25,380.78 = 10,008.54 : x
  2. Step 2: Convert to fraction form
    18,392.04/25,380.78 = 10,008.54/x
  3. Step 3: Cross multiply
    18,392.04x = 25,380.78 × 10,008.54
  4. Step 4: Simplify right side
    18,392.04x = 254,024,551.86
  5. Step 5: Solve for x
    x = 254,024,551.86/18,392.04
  6. Step 6: Final answer
    x = 13,811.66

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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.