Home / 18,255.73-25,192.90-9,872.23

Finding the Fourth Proportional to 18,255.73, 25,192.90 and 9,872.23

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Solution

The fourth proportional to 18,255.73, 25,192.90 and 9,872.23 is: 13,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.73 : 25,192.90 = 9,872.23 : x
  2. Step 2: Convert to fraction form
    18,255.73/25,192.90 = 9,872.23/x
  3. Step 3: Cross multiply
    18,255.73x = 25,192.90 × 9,872.23
  4. Step 4: Simplify right side
    18,255.73x = 248,710,103.17
  5. Step 5: Solve for x
    x = 248,710,103.17/18,255.73
  6. Step 6: Final answer
    x = 13,623.67

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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.