Home / 25,811.05-38,711.95-6,835.81

Finding the Fourth Proportional to 25,811.05, 38,711.95 and 6,835.81

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Solution

The fourth proportional to 25,811.05, 38,711.95 and 6,835.81 is: 10,252.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,811.05 : 38,711.95 = 6,835.81 : x
  2. Step 2: Convert to fraction form
    25,811.05/38,711.95 = 6,835.81/x
  3. Step 3: Cross multiply
    25,811.05x = 38,711.95 × 6,835.81
  4. Step 4: Simplify right side
    25,811.05x = 264,627,512.87
  5. Step 5: Solve for x
    x = 264,627,512.87/25,811.05
  6. Step 6: Final answer
    x = 10,252.49

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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.