Home / 25,336.92-34,967.90-21,080.47

Finding the Fourth Proportional to 25,336.92, 34,967.90 and 21,080.47

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Solution

The fourth proportional to 25,336.92, 34,967.90 and 21,080.47 is: 29,093.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,336.92 : 34,967.90 = 21,080.47 : x
  2. Step 2: Convert to fraction form
    25,336.92/34,967.90 = 21,080.47/x
  3. Step 3: Cross multiply
    25,336.92x = 34,967.90 × 21,080.47
  4. Step 4: Simplify right side
    25,336.92x = 737,139,766.91
  5. Step 5: Solve for x
    x = 737,139,766.91/25,336.92
  6. Step 6: Final answer
    x = 29,093.50

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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.