Home / 14,803.43-20,428.11-8,089.29

Finding the Fourth Proportional to 14,803.43, 20,428.11 and 8,089.29

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Solution

The fourth proportional to 14,803.43, 20,428.11 and 8,089.29 is: 11,162.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.43 : 20,428.11 = 8,089.29 : x
  2. Step 2: Convert to fraction form
    14,803.43/20,428.11 = 8,089.29/x
  3. Step 3: Cross multiply
    14,803.43x = 20,428.11 × 8,089.29
  4. Step 4: Simplify right side
    14,803.43x = 165,248,905.94
  5. Step 5: Solve for x
    x = 165,248,905.94/14,803.43
  6. Step 6: Final answer
    x = 11,162.88

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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.