Home / 25,800.86-35,611.52-15,734.85

Finding the Fourth Proportional to 25,800.86, 35,611.52 and 15,734.85

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Solution

The fourth proportional to 25,800.86, 35,611.52 and 15,734.85 is: 21,717.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,800.86 : 35,611.52 = 15,734.85 : x
  2. Step 2: Convert to fraction form
    25,800.86/35,611.52 = 15,734.85/x
  3. Step 3: Cross multiply
    25,800.86x = 35,611.52 × 15,734.85
  4. Step 4: Simplify right side
    25,800.86x = 560,341,925.47
  5. Step 5: Solve for x
    x = 560,341,925.47/25,800.86
  6. Step 6: Final answer
    x = 21,717.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.