Home / 25,655.90-38,483.59-8,125.73

Finding the Fourth Proportional to 25,655.90, 38,483.59 and 8,125.73

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Solution

The fourth proportional to 25,655.90, 38,483.59 and 8,125.73 is: 12,188.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,655.90 : 38,483.59 = 8,125.73 : x
  2. Step 2: Convert to fraction form
    25,655.90/38,483.59 = 8,125.73/x
  3. Step 3: Cross multiply
    25,655.90x = 38,483.59 × 8,125.73
  4. Step 4: Simplify right side
    25,655.90x = 312,707,028.72
  5. Step 5: Solve for x
    x = 312,707,028.72/25,655.90
  6. Step 6: Final answer
    x = 12,188.50

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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.