Home / 14,747.79-20,351.33-8,033.39

Finding the Fourth Proportional to 14,747.79, 20,351.33 and 8,033.39

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Solution

The fourth proportional to 14,747.79, 20,351.33 and 8,033.39 is: 11,085.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747.79 : 20,351.33 = 8,033.39 : x
  2. Step 2: Convert to fraction form
    14,747.79/20,351.33 = 8,033.39/x
  3. Step 3: Cross multiply
    14,747.79x = 20,351.33 × 8,033.39
  4. Step 4: Simplify right side
    14,747.79x = 163,490,069.15
  5. Step 5: Solve for x
    x = 163,490,069.15/14,747.79
  6. Step 6: Final answer
    x = 11,085.73

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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.