Home / 18,357.24-25,332.18-10,399.31

Finding the Fourth Proportional to 18,357.24, 25,332.18 and 10,399.31

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Solution

The fourth proportional to 18,357.24, 25,332.18 and 10,399.31 is: 14,350.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,357.24 : 25,332.18 = 10,399.31 : x
  2. Step 2: Convert to fraction form
    18,357.24/25,332.18 = 10,399.31/x
  3. Step 3: Cross multiply
    18,357.24x = 25,332.18 × 10,399.31
  4. Step 4: Simplify right side
    18,357.24x = 263,437,066.13
  5. Step 5: Solve for x
    x = 263,437,066.13/18,357.24
  6. Step 6: Final answer
    x = 14,350.58

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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.