Home / 20,104.12-30,159.02-6,953.37

Finding the Fourth Proportional to 20,104.12, 30,159.02 and 6,953.37

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Solution

The fourth proportional to 20,104.12, 30,159.02 and 6,953.37 is: 10,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.12 : 30,159.02 = 6,953.37 : x
  2. Step 2: Convert to fraction form
    20,104.12/30,159.02 = 6,953.37/x
  3. Step 3: Cross multiply
    20,104.12x = 30,159.02 × 6,953.37
  4. Step 4: Simplify right side
    20,104.12x = 209,706,824.90
  5. Step 5: Solve for x
    x = 209,706,824.90/20,104.12
  6. Step 6: Final answer
    x = 10,431.04

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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.