Home / 18,287.24-25,237.60-11,572.34

Finding the Fourth Proportional to 18,287.24, 25,237.60 and 11,572.34

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Solution

The fourth proportional to 18,287.24, 25,237.60 and 11,572.34 is: 15,970.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.24 : 25,237.60 = 11,572.34 : x
  2. Step 2: Convert to fraction form
    18,287.24/25,237.60 = 11,572.34/x
  3. Step 3: Cross multiply
    18,287.24x = 25,237.60 × 11,572.34
  4. Step 4: Simplify right side
    18,287.24x = 292,058,087.98
  5. Step 5: Solve for x
    x = 292,058,087.98/18,287.24
  6. Step 6: Final answer
    x = 15,970.59

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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.