Home / 13,922.10-20,885.49-6,902.46

Finding the Fourth Proportional to 13,922.10, 20,885.49 and 6,902.46

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Solution

The fourth proportional to 13,922.10, 20,885.49 and 6,902.46 is: 10,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.10 : 20,885.49 = 6,902.46 : x
  2. Step 2: Convert to fraction form
    13,922.10/20,885.49 = 6,902.46/x
  3. Step 3: Cross multiply
    13,922.10x = 20,885.49 × 6,902.46
  4. Step 4: Simplify right side
    13,922.10x = 144,161,259.31
  5. Step 5: Solve for x
    x = 144,161,259.31/13,922.10
  6. Step 6: Final answer
    x = 10,354.85

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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.