Home / 18,358.68-25,334.84-10,402.44

Finding the Fourth Proportional to 18,358.68, 25,334.84 and 10,402.44

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Solution

The fourth proportional to 18,358.68, 25,334.84 and 10,402.44 is: 14,355.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.68 : 25,334.84 = 10,402.44 : x
  2. Step 2: Convert to fraction form
    18,358.68/25,334.84 = 10,402.44/x
  3. Step 3: Cross multiply
    18,358.68x = 25,334.84 × 10,402.44
  4. Step 4: Simplify right side
    18,358.68x = 263,544,153.01
  5. Step 5: Solve for x
    x = 263,544,153.01/18,358.68
  6. Step 6: Final answer
    x = 14,355.29

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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.