Home / 14,803.32-20,428.56-8,089.01

Finding the Fourth Proportional to 14,803.32, 20,428.56 and 8,089.01

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Solution

The fourth proportional to 14,803.32, 20,428.56 and 8,089.01 is: 11,162.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.32 : 20,428.56 = 8,089.01 : x
  2. Step 2: Convert to fraction form
    14,803.32/20,428.56 = 8,089.01/x
  3. Step 3: Cross multiply
    14,803.32x = 20,428.56 × 8,089.01
  4. Step 4: Simplify right side
    14,803.32x = 165,246,723.98
  5. Step 5: Solve for x
    x = 165,246,723.98/14,803.32
  6. Step 6: Final answer
    x = 11,162.82

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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.