Home / 19,336.38-29,031.50-9,983.14

Finding the Fourth Proportional to 19,336.38, 29,031.50 and 9,983.14

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Solution

The fourth proportional to 19,336.38, 29,031.50 and 9,983.14 is: 14,988.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336.38 : 29,031.50 = 9,983.14 : x
  2. Step 2: Convert to fraction form
    19,336.38/29,031.50 = 9,983.14/x
  3. Step 3: Cross multiply
    19,336.38x = 29,031.50 × 9,983.14
  4. Step 4: Simplify right side
    19,336.38x = 289,825,481.29
  5. Step 5: Solve for x
    x = 289,825,481.29/19,336.38
  6. Step 6: Final answer
    x = 14,988.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.