Home / 18,564.80-25,618.02-10,181.30

Finding the Fourth Proportional to 18,564.80, 25,618.02 and 10,181.30

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Solution

The fourth proportional to 18,564.80, 25,618.02 and 10,181.30 is: 14,049.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564.80 : 25,618.02 = 10,181.30 : x
  2. Step 2: Convert to fraction form
    18,564.80/25,618.02 = 10,181.30/x
  3. Step 3: Cross multiply
    18,564.80x = 25,618.02 × 10,181.30
  4. Step 4: Simplify right side
    18,564.80x = 260,824,747.03
  5. Step 5: Solve for x
    x = 260,824,747.03/18,564.80
  6. Step 6: Final answer
    x = 14,049.42

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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.