Home / 13,743.99-20,566.71-11,901.42

Finding the Fourth Proportional to 13,743.99, 20,566.71 and 11,901.42

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Solution

The fourth proportional to 13,743.99, 20,566.71 and 11,901.42 is: 17,809.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.99 : 20,566.71 = 11,901.42 : x
  2. Step 2: Convert to fraction form
    13,743.99/20,566.71 = 11,901.42/x
  3. Step 3: Cross multiply
    13,743.99x = 20,566.71 × 11,901.42
  4. Step 4: Simplify right side
    13,743.99x = 244,773,053.73
  5. Step 5: Solve for x
    x = 244,773,053.73/13,743.99
  6. Step 6: Final answer
    x = 17,809.46

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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.