Home / 18,264.62-25,203.74-11,190.08

Finding the Fourth Proportional to 18,264.62, 25,203.74 and 11,190.08

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Solution

The fourth proportional to 18,264.62, 25,203.74 and 11,190.08 is: 15,441.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.62 : 25,203.74 = 11,190.08 : x
  2. Step 2: Convert to fraction form
    18,264.62/25,203.74 = 11,190.08/x
  3. Step 3: Cross multiply
    18,264.62x = 25,203.74 × 11,190.08
  4. Step 4: Simplify right side
    18,264.62x = 282,031,866.90
  5. Step 5: Solve for x
    x = 282,031,866.90/18,264.62
  6. Step 6: Final answer
    x = 15,441.43

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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.