Home / 14,743.05-20,345.79-8,028.96

Finding the Fourth Proportional to 14,743.05, 20,345.79 and 8,028.96

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Solution

The fourth proportional to 14,743.05, 20,345.79 and 8,028.96 is: 11,080.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.05 : 20,345.79 = 8,028.96 : x
  2. Step 2: Convert to fraction form
    14,743.05/20,345.79 = 8,028.96/x
  3. Step 3: Cross multiply
    14,743.05x = 20,345.79 × 8,028.96
  4. Step 4: Simplify right side
    14,743.05x = 163,355,534.08
  5. Step 5: Solve for x
    x = 163,355,534.08/14,743.05
  6. Step 6: Final answer
    x = 11,080.17

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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.