Home / 14,747.09-20,351.50-8,373.47

Finding the Fourth Proportional to 14,747.09, 20,351.50 and 8,373.47

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Solution

The fourth proportional to 14,747.09, 20,351.50 and 8,373.47 is: 11,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747.09 : 20,351.50 = 8,373.47 : x
  2. Step 2: Convert to fraction form
    14,747.09/20,351.50 = 8,373.47/x
  3. Step 3: Cross multiply
    14,747.09x = 20,351.50 × 8,373.47
  4. Step 4: Simplify right side
    14,747.09x = 170,412,674.71
  5. Step 5: Solve for x
    x = 170,412,674.71/14,747.09
  6. Step 6: Final answer
    x = 11,555.68

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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.