Home / 18,361.17-25,338.35-10,404.91

Finding the Fourth Proportional to 18,361.17, 25,338.35 and 10,404.91

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Solution

The fourth proportional to 18,361.17, 25,338.35 and 10,404.91 is: 14,358.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.17 : 25,338.35 = 10,404.91 : x
  2. Step 2: Convert to fraction form
    18,361.17/25,338.35 = 10,404.91/x
  3. Step 3: Cross multiply
    18,361.17x = 25,338.35 × 10,404.91
  4. Step 4: Simplify right side
    18,361.17x = 263,643,251.30
  5. Step 5: Solve for x
    x = 263,643,251.30/18,361.17
  6. Step 6: Final answer
    x = 14,358.74

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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.