Home / 14,420.46-19,900.24-8,132.84

Finding the Fourth Proportional to 14,420.46, 19,900.24 and 8,132.84

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Solution

The fourth proportional to 14,420.46, 19,900.24 and 8,132.84 is: 11,223.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.46 : 19,900.24 = 8,132.84 : x
  2. Step 2: Convert to fraction form
    14,420.46/19,900.24 = 8,132.84/x
  3. Step 3: Cross multiply
    14,420.46x = 19,900.24 × 8,132.84
  4. Step 4: Simplify right side
    14,420.46x = 161,845,348.05
  5. Step 5: Solve for x
    x = 161,845,348.05/14,420.46
  6. Step 6: Final answer
    x = 11,223.31

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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.