Home / 20,934.14-31,358.76-9,673.46

Finding the Fourth Proportional to 20,934.14, 31,358.76 and 9,673.46

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Solution

The fourth proportional to 20,934.14, 31,358.76 and 9,673.46 is: 14,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,934.14 : 31,358.76 = 9,673.46 : x
  2. Step 2: Convert to fraction form
    20,934.14/31,358.76 = 9,673.46/x
  3. Step 3: Cross multiply
    20,934.14x = 31,358.76 × 9,673.46
  4. Step 4: Simplify right side
    20,934.14x = 303,347,553.72
  5. Step 5: Solve for x
    x = 303,347,553.72/20,934.14
  6. Step 6: Final answer
    x = 14,490.57

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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.