Home / 14,169.78-19,549.53-8,199.27

Finding the Fourth Proportional to 14,169.78, 19,549.53 and 8,199.27

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Solution

The fourth proportional to 14,169.78, 19,549.53 and 8,199.27 is: 11,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.78 : 19,549.53 = 8,199.27 : x
  2. Step 2: Convert to fraction form
    14,169.78/19,549.53 = 8,199.27/x
  3. Step 3: Cross multiply
    14,169.78x = 19,549.53 × 8,199.27
  4. Step 4: Simplify right side
    14,169.78x = 160,291,874.84
  5. Step 5: Solve for x
    x = 160,291,874.84/14,169.78
  6. Step 6: Final answer
    x = 11,312.23

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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.