Home / 18,289.70-25,239.42-10,332.26

Finding the Fourth Proportional to 18,289.70, 25,239.42 and 10,332.26

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Solution

The fourth proportional to 18,289.70, 25,239.42 and 10,332.26 is: 14,258.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.70 : 25,239.42 = 10,332.26 : x
  2. Step 2: Convert to fraction form
    18,289.70/25,239.42 = 10,332.26/x
  3. Step 3: Cross multiply
    18,289.70x = 25,239.42 × 10,332.26
  4. Step 4: Simplify right side
    18,289.70x = 260,780,249.69
  5. Step 5: Solve for x
    x = 260,780,249.69/18,289.70
  6. Step 6: Final answer
    x = 14,258.31

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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.