Home / 25,504.20-38,250.77-7,971.75

Finding the Fourth Proportional to 25,504.20, 38,250.77 and 7,971.75

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Solution

The fourth proportional to 25,504.20, 38,250.77 and 7,971.75 is: 11,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,504.20 : 38,250.77 = 7,971.75 : x
  2. Step 2: Convert to fraction form
    25,504.20/38,250.77 = 7,971.75/x
  3. Step 3: Cross multiply
    25,504.20x = 38,250.77 × 7,971.75
  4. Step 4: Simplify right side
    25,504.20x = 304,925,535.89
  5. Step 5: Solve for x
    x = 304,925,535.89/25,504.20
  6. Step 6: Final answer
    x = 11,955.89

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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.