Home / 18,536.48-25,583.28-10,982.96

Finding the Fourth Proportional to 18,536.48, 25,583.28 and 10,982.96

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Solution

The fourth proportional to 18,536.48, 25,583.28 and 10,982.96 is: 15,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.48 : 25,583.28 = 10,982.96 : x
  2. Step 2: Convert to fraction form
    18,536.48/25,583.28 = 10,982.96/x
  3. Step 3: Cross multiply
    18,536.48x = 25,583.28 × 10,982.96
  4. Step 4: Simplify right side
    18,536.48x = 280,980,140.91
  5. Step 5: Solve for x
    x = 280,980,140.91/18,536.48
  6. Step 6: Final answer
    x = 15,158.23

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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.