Home / 14,713.11-20,303.57-8,424.27

Finding the Fourth Proportional to 14,713.11, 20,303.57 and 8,424.27

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Solution

The fourth proportional to 14,713.11, 20,303.57 and 8,424.27 is: 11,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,713.11 : 20,303.57 = 8,424.27 : x
  2. Step 2: Convert to fraction form
    14,713.11/20,303.57 = 8,424.27/x
  3. Step 3: Cross multiply
    14,713.11x = 20,303.57 × 8,424.27
  4. Step 4: Simplify right side
    14,713.11x = 171,042,776.70
  5. Step 5: Solve for x
    x = 171,042,776.70/14,713.11
  6. Step 6: Final answer
    x = 11,625.20

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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.