Home / 18,440.59-25,448.07-10,057.09

Finding the Fourth Proportional to 18,440.59, 25,448.07 and 10,057.09

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Solution

The fourth proportional to 18,440.59, 25,448.07 and 10,057.09 is: 13,878.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.59 : 25,448.07 = 10,057.09 : x
  2. Step 2: Convert to fraction form
    18,440.59/25,448.07 = 10,057.09/x
  3. Step 3: Cross multiply
    18,440.59x = 25,448.07 × 10,057.09
  4. Step 4: Simplify right side
    18,440.59x = 255,933,530.32
  5. Step 5: Solve for x
    x = 255,933,530.32/18,440.59
  6. Step 6: Final answer
    x = 13,878.81

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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.