Home / 20,573.13-30,859.70-6,722.13

Finding the Fourth Proportional to 20,573.13, 30,859.70 and 6,722.13

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Solution

The fourth proportional to 20,573.13, 30,859.70 and 6,722.13 is: 10,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,573.13 : 30,859.70 = 6,722.13 : x
  2. Step 2: Convert to fraction form
    20,573.13/30,859.70 = 6,722.13/x
  3. Step 3: Cross multiply
    20,573.13x = 30,859.70 × 6,722.13
  4. Step 4: Simplify right side
    20,573.13x = 207,442,915.16
  5. Step 5: Solve for x
    x = 207,442,915.16/20,573.13
  6. Step 6: Final answer
    x = 10,083.20

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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.