Home / 18,586.76-27,872.52-9,223.35

Finding the Fourth Proportional to 18,586.76, 27,872.52 and 9,223.35

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Solution

The fourth proportional to 18,586.76, 27,872.52 and 9,223.35 is: 13,831.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.76 : 27,872.52 = 9,223.35 : x
  2. Step 2: Convert to fraction form
    18,586.76/27,872.52 = 9,223.35/x
  3. Step 3: Cross multiply
    18,586.76x = 27,872.52 × 9,223.35
  4. Step 4: Simplify right side
    18,586.76x = 257,078,007.34
  5. Step 5: Solve for x
    x = 257,078,007.34/18,586.76
  6. Step 6: Final answer
    x = 13,831.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.