Home / 14,051.38-20,974.56-12,277.90

Finding the Fourth Proportional to 14,051.38, 20,974.56 and 12,277.90

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Solution

The fourth proportional to 14,051.38, 20,974.56 and 12,277.90 is: 18,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.38 : 20,974.56 = 12,277.90 : x
  2. Step 2: Convert to fraction form
    14,051.38/20,974.56 = 12,277.90/x
  3. Step 3: Cross multiply
    14,051.38x = 20,974.56 × 12,277.90
  4. Step 4: Simplify right side
    14,051.38x = 257,523,550.22
  5. Step 5: Solve for x
    x = 257,523,550.22/14,051.38
  6. Step 6: Final answer
    x = 18,327.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.