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Finding the Fourth Proportional to 14,673.86, 20,247.98 and 8,301.32

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Solution

The fourth proportional to 14,673.86, 20,247.98 and 8,301.32 is: 11,454.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,673.86 : 20,247.98 = 8,301.32 : x
  2. Step 2: Convert to fraction form
    14,673.86/20,247.98 = 8,301.32/x
  3. Step 3: Cross multiply
    14,673.86x = 20,247.98 × 8,301.32
  4. Step 4: Simplify right side
    14,673.86x = 168,084,818.59
  5. Step 5: Solve for x
    x = 168,084,818.59/14,673.86
  6. Step 6: Final answer
    x = 11,454.71

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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.