Home / 14,795.79-20,418.07-8,081.41

Finding the Fourth Proportional to 14,795.79, 20,418.07 and 8,081.41

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Solution

The fourth proportional to 14,795.79, 20,418.07 and 8,081.41 is: 11,152.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,795.79 : 20,418.07 = 8,081.41 : x
  2. Step 2: Convert to fraction form
    14,795.79/20,418.07 = 8,081.41/x
  3. Step 3: Cross multiply
    14,795.79x = 20,418.07 × 8,081.41
  4. Step 4: Simplify right side
    14,795.79x = 165,006,795.08
  5. Step 5: Solve for x
    x = 165,006,795.08/14,795.79
  6. Step 6: Final answer
    x = 11,152.28

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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.