Home / 20,537.68-28,300.14-14,166.22

Finding the Fourth Proportional to 20,537.68, 28,300.14 and 14,166.22

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Solution

The fourth proportional to 20,537.68, 28,300.14 and 14,166.22 is: 19,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537.68 : 28,300.14 = 14,166.22 : x
  2. Step 2: Convert to fraction form
    20,537.68/28,300.14 = 14,166.22/x
  3. Step 3: Cross multiply
    20,537.68x = 28,300.14 × 14,166.22
  4. Step 4: Simplify right side
    20,537.68x = 400,906,009.27
  5. Step 5: Solve for x
    x = 400,906,009.27/20,537.68
  6. Step 6: Final answer
    x = 19,520.51

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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.