Home / 13,961.04-20,933.46-9,283.68

Finding the Fourth Proportional to 13,961.04, 20,933.46 and 9,283.68

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Solution

The fourth proportional to 13,961.04, 20,933.46 and 9,283.68 is: 13,920.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.04 : 20,933.46 = 9,283.68 : x
  2. Step 2: Convert to fraction form
    13,961.04/20,933.46 = 9,283.68/x
  3. Step 3: Cross multiply
    13,961.04x = 20,933.46 × 9,283.68
  4. Step 4: Simplify right side
    13,961.04x = 194,339,543.93
  5. Step 5: Solve for x
    x = 194,339,543.93/13,961.04
  6. Step 6: Final answer
    x = 13,920.13

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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.