Home / 18,349.79-25,321.86-10,392.07

Finding the Fourth Proportional to 18,349.79, 25,321.86 and 10,392.07

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Solution

The fourth proportional to 18,349.79, 25,321.86 and 10,392.07 is: 14,340.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.79 : 25,321.86 = 10,392.07 : x
  2. Step 2: Convert to fraction form
    18,349.79/25,321.86 = 10,392.07/x
  3. Step 3: Cross multiply
    18,349.79x = 25,321.86 × 10,392.07
  4. Step 4: Simplify right side
    18,349.79x = 263,146,604.95
  5. Step 5: Solve for x
    x = 263,146,604.95/18,349.79
  6. Step 6: Final answer
    x = 14,340.58

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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.