Home / 18,357.23-25,332.92-10,400.97

Finding the Fourth Proportional to 18,357.23, 25,332.92 and 10,400.97

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Solution

The fourth proportional to 18,357.23, 25,332.92 and 10,400.97 is: 14,353.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,357.23 : 25,332.92 = 10,400.97 : x
  2. Step 2: Convert to fraction form
    18,357.23/25,332.92 = 10,400.97/x
  3. Step 3: Cross multiply
    18,357.23x = 25,332.92 × 10,400.97
  4. Step 4: Simplify right side
    18,357.23x = 263,487,022.93
  5. Step 5: Solve for x
    x = 263,487,022.93/18,357.23
  6. Step 6: Final answer
    x = 14,353.31

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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.