Home / 20,548.88-28,356.96-11,596.14

Finding the Fourth Proportional to 20,548.88, 28,356.96 and 11,596.14

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Solution

The fourth proportional to 20,548.88, 28,356.96 and 11,596.14 is: 16,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.88 : 28,356.96 = 11,596.14 : x
  2. Step 2: Convert to fraction form
    20,548.88/28,356.96 = 11,596.14/x
  3. Step 3: Cross multiply
    20,548.88x = 28,356.96 × 11,596.14
  4. Step 4: Simplify right side
    20,548.88x = 328,831,278.13
  5. Step 5: Solve for x
    x = 328,831,278.13/20,548.88
  6. Step 6: Final answer
    x = 16,002.40

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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.