Home / 14,918.64-20,579.61-9,251.46

Finding the Fourth Proportional to 14,918.64, 20,579.61 and 9,251.46

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Solution

The fourth proportional to 14,918.64, 20,579.61 and 9,251.46 is: 12,761.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.64 : 20,579.61 = 9,251.46 : x
  2. Step 2: Convert to fraction form
    14,918.64/20,579.61 = 9,251.46/x
  3. Step 3: Cross multiply
    14,918.64x = 20,579.61 × 9,251.46
  4. Step 4: Simplify right side
    14,918.64x = 190,391,438.73
  5. Step 5: Solve for x
    x = 190,391,438.73/14,918.64
  6. Step 6: Final answer
    x = 12,761.98

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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.