Home / 14,743.47-20,345.97-8,029.09

Finding the Fourth Proportional to 14,743.47, 20,345.97 and 8,029.09

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Solution

The fourth proportional to 14,743.47, 20,345.97 and 8,029.09 is: 11,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.47 : 20,345.97 = 8,029.09 : x
  2. Step 2: Convert to fraction form
    14,743.47/20,345.97 = 8,029.09/x
  3. Step 3: Cross multiply
    14,743.47x = 20,345.97 × 8,029.09
  4. Step 4: Simplify right side
    14,743.47x = 163,359,624.27
  5. Step 5: Solve for x
    x = 163,359,624.27/14,743.47
  6. Step 6: Final answer
    x = 11,080.13

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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.