Home / 20,548.22-28,356.08-11,595.49

Finding the Fourth Proportional to 20,548.22, 28,356.08 and 11,595.49

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Solution

The fourth proportional to 20,548.22, 28,356.08 and 11,595.49 is: 16,001.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.22 : 28,356.08 = 11,595.49 : x
  2. Step 2: Convert to fraction form
    20,548.22/28,356.08 = 11,595.49/x
  3. Step 3: Cross multiply
    20,548.22x = 28,356.08 × 11,595.49
  4. Step 4: Simplify right side
    20,548.22x = 328,802,513.21
  5. Step 5: Solve for x
    x = 328,802,513.21/20,548.22
  6. Step 6: Final answer
    x = 16,001.51

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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.