Home / 20,614.58-28,448.24-11,663.95

Finding the Fourth Proportional to 20,614.58, 28,448.24 and 11,663.95

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Solution

The fourth proportional to 20,614.58, 28,448.24 and 11,663.95 is: 16,096.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614.58 : 28,448.24 = 11,663.95 : x
  2. Step 2: Convert to fraction form
    20,614.58/28,448.24 = 11,663.95/x
  3. Step 3: Cross multiply
    20,614.58x = 28,448.24 × 11,663.95
  4. Step 4: Simplify right side
    20,614.58x = 331,818,805.65
  5. Step 5: Solve for x
    x = 331,818,805.65/20,614.58
  6. Step 6: Final answer
    x = 16,096.32

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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.