Home / 18,289.46-25,239.12-10,223.26

Finding the Fourth Proportional to 18,289.46, 25,239.12 and 10,223.26

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Solution

The fourth proportional to 18,289.46, 25,239.12 and 10,223.26 is: 14,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.46 : 25,239.12 = 10,223.26 : x
  2. Step 2: Convert to fraction form
    18,289.46/25,239.12 = 10,223.26/x
  3. Step 3: Cross multiply
    18,289.46x = 25,239.12 × 10,223.26
  4. Step 4: Simplify right side
    18,289.46x = 258,026,085.93
  5. Step 5: Solve for x
    x = 258,026,085.93/18,289.46
  6. Step 6: Final answer
    x = 14,107.91

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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.