Home / 20,732.66-28,595.63-16,247.49

Finding the Fourth Proportional to 20,732.66, 28,595.63 and 16,247.49

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Solution

The fourth proportional to 20,732.66, 28,595.63 and 16,247.49 is: 22,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.66 : 28,595.63 = 16,247.49 : x
  2. Step 2: Convert to fraction form
    20,732.66/28,595.63 = 16,247.49/x
  3. Step 3: Cross multiply
    20,732.66x = 28,595.63 × 16,247.49
  4. Step 4: Simplify right side
    20,732.66x = 464,607,145.85
  5. Step 5: Solve for x
    x = 464,607,145.85/20,732.66
  6. Step 6: Final answer
    x = 22,409.43

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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.