Home / 25,154.49-37,731.69-6,434.55

Finding the Fourth Proportional to 25,154.49, 37,731.69 and 6,434.55

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Solution

The fourth proportional to 25,154.49, 37,731.69 and 6,434.55 is: 9,651.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,154.49 : 37,731.69 = 6,434.55 : x
  2. Step 2: Convert to fraction form
    25,154.49/37,731.69 = 6,434.55/x
  3. Step 3: Cross multiply
    25,154.49x = 37,731.69 × 6,434.55
  4. Step 4: Simplify right side
    25,154.49x = 242,786,445.89
  5. Step 5: Solve for x
    x = 242,786,445.89/25,154.49
  6. Step 6: Final answer
    x = 9,651.81

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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.