Home / 15,898.49-21,940.00-9,933.62

Finding the Fourth Proportional to 15,898.49, 21,940.00 and 9,933.62

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Solution

The fourth proportional to 15,898.49, 21,940.00 and 9,933.62 is: 13,708.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,898.49 : 21,940.00 = 9,933.62 : x
  2. Step 2: Convert to fraction form
    15,898.49/21,940.00 = 9,933.62/x
  3. Step 3: Cross multiply
    15,898.49x = 21,940.00 × 9,933.62
  4. Step 4: Simplify right side
    15,898.49x = 217,943,488.27
  5. Step 5: Solve for x
    x = 217,943,488.27/15,898.49
  6. Step 6: Final answer
    x = 13,708.44

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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.