Home / 25,331.70-37,990.86-7,558.14

Finding the Fourth Proportional to 25,331.70, 37,990.86 and 7,558.14

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Solution

The fourth proportional to 25,331.70, 37,990.86 and 7,558.14 is: 11,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,331.70 : 37,990.86 = 7,558.14 : x
  2. Step 2: Convert to fraction form
    25,331.70/37,990.86 = 7,558.14/x
  3. Step 3: Cross multiply
    25,331.70x = 37,990.86 × 7,558.14
  4. Step 4: Simplify right side
    25,331.70x = 287,140,238.60
  5. Step 5: Solve for x
    x = 287,140,238.60/25,331.70
  6. Step 6: Final answer
    x = 11,335.21

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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.