Home / 14,947.22-20,604.62-12,290.01

Finding the Fourth Proportional to 14,947.22, 20,604.62 and 12,290.01

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Solution

The fourth proportional to 14,947.22, 20,604.62 and 12,290.01 is: 16,941.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.22 : 20,604.62 = 12,290.01 : x
  2. Step 2: Convert to fraction form
    14,947.22/20,604.62 = 12,290.01/x
  3. Step 3: Cross multiply
    14,947.22x = 20,604.62 × 12,290.01
  4. Step 4: Simplify right side
    14,947.22x = 253,230,985.85
  5. Step 5: Solve for x
    x = 253,230,985.85/14,947.22
  6. Step 6: Final answer
    x = 16,941.68

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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.