Home / 14,718.39-20,311.48-8,004.09

Finding the Fourth Proportional to 14,718.39, 20,311.48 and 8,004.09

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Solution

The fourth proportional to 14,718.39, 20,311.48 and 8,004.09 is: 11,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.39 : 20,311.48 = 8,004.09 : x
  2. Step 2: Convert to fraction form
    14,718.39/20,311.48 = 8,004.09/x
  3. Step 3: Cross multiply
    14,718.39x = 20,311.48 × 8,004.09
  4. Step 4: Simplify right side
    14,718.39x = 162,574,873.93
  5. Step 5: Solve for x
    x = 162,574,873.93/14,718.39
  6. Step 6: Final answer
    x = 11,045.70

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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.