Home / 14,422.60-19,902.96-8,134.84

Finding the Fourth Proportional to 14,422.60, 19,902.96 and 8,134.84

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Solution

The fourth proportional to 14,422.60, 19,902.96 and 8,134.84 is: 11,225.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.60 : 19,902.96 = 8,134.84 : x
  2. Step 2: Convert to fraction form
    14,422.60/19,902.96 = 8,134.84/x
  3. Step 3: Cross multiply
    14,422.60x = 19,902.96 × 8,134.84
  4. Step 4: Simplify right side
    14,422.60x = 161,907,395.13
  5. Step 5: Solve for x
    x = 161,907,395.13/14,422.60
  6. Step 6: Final answer
    x = 11,225.95

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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.