Home / 27,619.36-41,429.20-10,089.12

Finding the Fourth Proportional to 27,619.36, 41,429.20 and 10,089.12

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Solution

The fourth proportional to 27,619.36, 41,429.20 and 10,089.12 is: 15,133.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,619.36 : 41,429.20 = 10,089.12 : x
  2. Step 2: Convert to fraction form
    27,619.36/41,429.20 = 10,089.12/x
  3. Step 3: Cross multiply
    27,619.36x = 41,429.20 × 10,089.12
  4. Step 4: Simplify right side
    27,619.36x = 417,984,170.30
  5. Step 5: Solve for x
    x = 417,984,170.30/27,619.36
  6. Step 6: Final answer
    x = 15,133.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.