Home / 14,769.39-20,381.51-8,055.03

Finding the Fourth Proportional to 14,769.39, 20,381.51 and 8,055.03

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Solution

The fourth proportional to 14,769.39, 20,381.51 and 8,055.03 is: 11,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.39 : 20,381.51 = 8,055.03 : x
  2. Step 2: Convert to fraction form
    14,769.39/20,381.51 = 8,055.03/x
  3. Step 3: Cross multiply
    14,769.39x = 20,381.51 × 8,055.03
  4. Step 4: Simplify right side
    14,769.39x = 164,173,634.22
  5. Step 5: Solve for x
    x = 164,173,634.22/14,769.39
  6. Step 6: Final answer
    x = 11,115.80

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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.