Home / 20,549.07-28,363.11-12,052.44

Finding the Fourth Proportional to 20,549.07, 28,363.11 and 12,052.44

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Solution

The fourth proportional to 20,549.07, 28,363.11 and 12,052.44 is: 16,635.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549.07 : 28,363.11 = 12,052.44 : x
  2. Step 2: Convert to fraction form
    20,549.07/28,363.11 = 12,052.44/x
  3. Step 3: Cross multiply
    20,549.07x = 28,363.11 × 12,052.44
  4. Step 4: Simplify right side
    20,549.07x = 341,844,681.49
  5. Step 5: Solve for x
    x = 341,844,681.49/20,549.07
  6. Step 6: Final answer
    x = 16,635.53

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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.