Home / 20,559.90-28,373.94-11,604.14

Finding the Fourth Proportional to 20,559.90, 28,373.94 and 11,604.14

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Solution

The fourth proportional to 20,559.90, 28,373.94 and 11,604.14 is: 16,014.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559.90 : 28,373.94 = 11,604.14 : x
  2. Step 2: Convert to fraction form
    20,559.90/28,373.94 = 11,604.14/x
  3. Step 3: Cross multiply
    20,559.90x = 28,373.94 × 11,604.14
  4. Step 4: Simplify right side
    20,559.90x = 329,255,172.11
  5. Step 5: Solve for x
    x = 329,255,172.11/20,559.90
  6. Step 6: Final answer
    x = 16,014.43

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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.