Home / 14,717.07-20,305.05-8,342.64

Finding the Fourth Proportional to 14,717.07, 20,305.05 and 8,342.64

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Solution

The fourth proportional to 14,717.07, 20,305.05 and 8,342.64 is: 11,510.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,717.07 : 20,305.05 = 8,342.64 : x
  2. Step 2: Convert to fraction form
    14,717.07/20,305.05 = 8,342.64/x
  3. Step 3: Cross multiply
    14,717.07x = 20,305.05 × 8,342.64
  4. Step 4: Simplify right side
    14,717.07x = 169,397,722.33
  5. Step 5: Solve for x
    x = 169,397,722.33/14,717.07
  6. Step 6: Final answer
    x = 11,510.29

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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.