Home / 20,684.61-31,031.78-5,893.74

Finding the Fourth Proportional to 20,684.61, 31,031.78 and 5,893.74

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Solution

The fourth proportional to 20,684.61, 31,031.78 and 5,893.74 is: 8,841.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,684.61 : 31,031.78 = 5,893.74 : x
  2. Step 2: Convert to fraction form
    20,684.61/31,031.78 = 5,893.74/x
  3. Step 3: Cross multiply
    20,684.61x = 31,031.78 × 5,893.74
  4. Step 4: Simplify right side
    20,684.61x = 182,893,213.59
  5. Step 5: Solve for x
    x = 182,893,213.59/20,684.61
  6. Step 6: Final answer
    x = 8,841.99

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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.