Home / 14,109.03-19,469.16-8,442.69

Finding the Fourth Proportional to 14,109.03, 19,469.16 and 8,442.69

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Solution

The fourth proportional to 14,109.03, 19,469.16 and 8,442.69 is: 11,650.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109.03 : 19,469.16 = 8,442.69 : x
  2. Step 2: Convert to fraction form
    14,109.03/19,469.16 = 8,442.69/x
  3. Step 3: Cross multiply
    14,109.03x = 19,469.16 × 8,442.69
  4. Step 4: Simplify right side
    14,109.03x = 164,372,082.44
  5. Step 5: Solve for x
    x = 164,372,082.44/14,109.03
  6. Step 6: Final answer
    x = 11,650.13

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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.