Home / 14,817.12-20,441.46-9,711.24

Finding the Fourth Proportional to 14,817.12, 20,441.46 and 9,711.24

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Solution

The fourth proportional to 14,817.12, 20,441.46 and 9,711.24 is: 13,397.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,817.12 : 20,441.46 = 9,711.24 : x
  2. Step 2: Convert to fraction form
    14,817.12/20,441.46 = 9,711.24/x
  3. Step 3: Cross multiply
    14,817.12x = 20,441.46 × 9,711.24
  4. Step 4: Simplify right side
    14,817.12x = 198,511,924.01
  5. Step 5: Solve for x
    x = 198,511,924.01/14,817.12
  6. Step 6: Final answer
    x = 13,397.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.