Home / 14,428.45-19,912.26-8,056.29

Finding the Fourth Proportional to 14,428.45, 19,912.26 and 8,056.29

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Solution

The fourth proportional to 14,428.45, 19,912.26 and 8,056.29 is: 11,118.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.45 : 19,912.26 = 8,056.29 : x
  2. Step 2: Convert to fraction form
    14,428.45/19,912.26 = 8,056.29/x
  3. Step 3: Cross multiply
    14,428.45x = 19,912.26 × 8,056.29
  4. Step 4: Simplify right side
    14,428.45x = 160,418,941.12
  5. Step 5: Solve for x
    x = 160,418,941.12/14,428.45
  6. Step 6: Final answer
    x = 11,118.24

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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.