Home / 18,289.24-25,238.84-10,223.08

Finding the Fourth Proportional to 18,289.24, 25,238.84 and 10,223.08

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Solution

The fourth proportional to 18,289.24, 25,238.84 and 10,223.08 is: 14,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.24 : 25,238.84 = 10,223.08 : x
  2. Step 2: Convert to fraction form
    18,289.24/25,238.84 = 10,223.08/x
  3. Step 3: Cross multiply
    18,289.24x = 25,238.84 × 10,223.08
  4. Step 4: Simplify right side
    18,289.24x = 258,018,680.43
  5. Step 5: Solve for x
    x = 258,018,680.43/18,289.24
  6. Step 6: Final answer
    x = 14,107.68

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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.