Home / 21,700.92-32,540.61-6,907.91

Finding the Fourth Proportional to 21,700.92, 32,540.61 and 6,907.91

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Solution

The fourth proportional to 21,700.92, 32,540.61 and 6,907.91 is: 10,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,700.92 : 32,540.61 = 6,907.91 : x
  2. Step 2: Convert to fraction form
    21,700.92/32,540.61 = 6,907.91/x
  3. Step 3: Cross multiply
    21,700.92x = 32,540.61 × 6,907.91
  4. Step 4: Simplify right side
    21,700.92x = 224,787,669.31
  5. Step 5: Solve for x
    x = 224,787,669.31/21,700.92
  6. Step 6: Final answer
    x = 10,358.44

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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.