Home / 18,217.56-25,140.28-10,662.52

Finding the Fourth Proportional to 18,217.56, 25,140.28 and 10,662.52

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Solution

The fourth proportional to 18,217.56, 25,140.28 and 10,662.52 is: 14,714.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.56 : 25,140.28 = 10,662.52 : x
  2. Step 2: Convert to fraction form
    18,217.56/25,140.28 = 10,662.52/x
  3. Step 3: Cross multiply
    18,217.56x = 25,140.28 × 10,662.52
  4. Step 4: Simplify right side
    18,217.56x = 268,058,738.31
  5. Step 5: Solve for x
    x = 268,058,738.31/18,217.56
  6. Step 6: Final answer
    x = 14,714.31

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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.