Home / 21,721.77-32,586.71-6,934.41

Finding the Fourth Proportional to 21,721.77, 32,586.71 and 6,934.41

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Solution

The fourth proportional to 21,721.77, 32,586.71 and 6,934.41 is: 10,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,721.77 : 32,586.71 = 6,934.41 : x
  2. Step 2: Convert to fraction form
    21,721.77/32,586.71 = 6,934.41/x
  3. Step 3: Cross multiply
    21,721.77x = 32,586.71 × 6,934.41
  4. Step 4: Simplify right side
    21,721.77x = 225,969,573.02
  5. Step 5: Solve for x
    x = 225,969,573.02/21,721.77
  6. Step 6: Final answer
    x = 10,402.91

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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.