Home / 18,564.78-25,619.43-10,181.34

Finding the Fourth Proportional to 18,564.78, 25,619.43 and 10,181.34

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Solution

The fourth proportional to 18,564.78, 25,619.43 and 10,181.34 is: 14,050.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564.78 : 25,619.43 = 10,181.34 : x
  2. Step 2: Convert to fraction form
    18,564.78/25,619.43 = 10,181.34/x
  3. Step 3: Cross multiply
    18,564.78x = 25,619.43 × 10,181.34
  4. Step 4: Simplify right side
    18,564.78x = 260,840,127.44
  5. Step 5: Solve for x
    x = 260,840,127.44/18,564.78
  6. Step 6: Final answer
    x = 14,050.27

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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.