Home / 20,650.04-28,467.04-15,264.53

Finding the Fourth Proportional to 20,650.04, 28,467.04 and 15,264.53

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Solution

The fourth proportional to 20,650.04, 28,467.04 and 15,264.53 is: 21,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650.04 : 28,467.04 = 15,264.53 : x
  2. Step 2: Convert to fraction form
    20,650.04/28,467.04 = 15,264.53/x
  3. Step 3: Cross multiply
    20,650.04x = 28,467.04 × 15,264.53
  4. Step 4: Simplify right side
    20,650.04x = 434,535,986.09
  5. Step 5: Solve for x
    x = 434,535,986.09/20,650.04
  6. Step 6: Final answer
    x = 21,042.86

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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.