Home / 25,209.36-37,811.61-7,679.34

Finding the Fourth Proportional to 25,209.36, 37,811.61 and 7,679.34

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Solution

The fourth proportional to 25,209.36, 37,811.61 and 7,679.34 is: 11,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,209.36 : 37,811.61 = 7,679.34 : x
  2. Step 2: Convert to fraction form
    25,209.36/37,811.61 = 7,679.34/x
  3. Step 3: Cross multiply
    25,209.36x = 37,811.61 × 7,679.34
  4. Step 4: Simplify right side
    25,209.36x = 290,368,209.14
  5. Step 5: Solve for x
    x = 290,368,209.14/25,209.36
  6. Step 6: Final answer
    x = 11,518.27

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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.