Home / 25,112.82-37,675.32-7,581.60

Finding the Fourth Proportional to 25,112.82, 37,675.32 and 7,581.60

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Solution

The fourth proportional to 25,112.82, 37,675.32 and 7,581.60 is: 11,374.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,112.82 : 37,675.32 = 7,581.60 : x
  2. Step 2: Convert to fraction form
    25,112.82/37,675.32 = 7,581.60/x
  3. Step 3: Cross multiply
    25,112.82x = 37,675.32 × 7,581.60
  4. Step 4: Simplify right side
    25,112.82x = 285,639,206.11
  5. Step 5: Solve for x
    x = 285,639,206.11/25,112.82
  6. Step 6: Final answer
    x = 11,374.24

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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.