Home / 26,255.48-39,371.70-9,611.20

Finding the Fourth Proportional to 26,255.48, 39,371.70 and 9,611.20

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Solution

The fourth proportional to 26,255.48, 39,371.70 and 9,611.20 is: 14,412.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,255.48 : 39,371.70 = 9,611.20 : x
  2. Step 2: Convert to fraction form
    26,255.48/39,371.70 = 9,611.20/x
  3. Step 3: Cross multiply
    26,255.48x = 39,371.70 × 9,611.20
  4. Step 4: Simplify right side
    26,255.48x = 378,409,283.04
  5. Step 5: Solve for x
    x = 378,409,283.04/26,255.48
  6. Step 6: Final answer
    x = 14,412.58

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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.