Home / 14,718.17-20,311.17-8,003.87

Finding the Fourth Proportional to 14,718.17, 20,311.17 and 8,003.87

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Solution

The fourth proportional to 14,718.17, 20,311.17 and 8,003.87 is: 11,045.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.17 : 20,311.17 = 8,003.87 : x
  2. Step 2: Convert to fraction form
    14,718.17/20,311.17 = 8,003.87/x
  3. Step 3: Cross multiply
    14,718.17x = 20,311.17 × 8,003.87
  4. Step 4: Simplify right side
    14,718.17x = 162,567,964.23
  5. Step 5: Solve for x
    x = 162,567,964.23/14,718.17
  6. Step 6: Final answer
    x = 11,045.39

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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.