Home / 25,542.79-38,315.62-7,774.03

Finding the Fourth Proportional to 25,542.79, 38,315.62 and 7,774.03

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Solution

The fourth proportional to 25,542.79, 38,315.62 and 7,774.03 is: 11,661.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,542.79 : 38,315.62 = 7,774.03 : x
  2. Step 2: Convert to fraction form
    25,542.79/38,315.62 = 7,774.03/x
  3. Step 3: Cross multiply
    25,542.79x = 38,315.62 × 7,774.03
  4. Step 4: Simplify right side
    25,542.79x = 297,866,587.77
  5. Step 5: Solve for x
    x = 297,866,587.77/25,542.79
  6. Step 6: Final answer
    x = 11,661.48

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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.