Home / 16,749.40-25,116.80-8,424.22

Finding the Fourth Proportional to 16,749.40, 25,116.80 and 8,424.22

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Solution

The fourth proportional to 16,749.40, 25,116.80 and 8,424.22 is: 12,632.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,749.40 : 25,116.80 = 8,424.22 : x
  2. Step 2: Convert to fraction form
    16,749.40/25,116.80 = 8,424.22/x
  3. Step 3: Cross multiply
    16,749.40x = 25,116.80 × 8,424.22
  4. Step 4: Simplify right side
    16,749.40x = 211,589,448.90
  5. Step 5: Solve for x
    x = 211,589,448.90/16,749.40
  6. Step 6: Final answer
    x = 12,632.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.