Home / 14,785.74-22,185.90-10,431.18

Finding the Fourth Proportional to 14,785.74, 22,185.90 and 10,431.18

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Solution

The fourth proportional to 14,785.74, 22,185.90 and 10,431.18 is: 15,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785.74 : 22,185.90 = 10,431.18 : x
  2. Step 2: Convert to fraction form
    14,785.74/22,185.90 = 10,431.18/x
  3. Step 3: Cross multiply
    14,785.74x = 22,185.90 × 10,431.18
  4. Step 4: Simplify right side
    14,785.74x = 231,425,116.36
  5. Step 5: Solve for x
    x = 231,425,116.36/14,785.74
  6. Step 6: Final answer
    x = 15,651.91

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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.