Home / 14,400.78-21,609.60-6,080.22

Finding the Fourth Proportional to 14,400.78, 21,609.60 and 6,080.22

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Solution

The fourth proportional to 14,400.78, 21,609.60 and 6,080.22 is: 9,123.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.78 : 21,609.60 = 6,080.22 : x
  2. Step 2: Convert to fraction form
    14,400.78/21,609.60 = 6,080.22/x
  3. Step 3: Cross multiply
    14,400.78x = 21,609.60 × 6,080.22
  4. Step 4: Simplify right side
    14,400.78x = 131,391,122.11
  5. Step 5: Solve for x
    x = 131,391,122.11/14,400.78
  6. Step 6: Final answer
    x = 9,123.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.