Home / 13,771.66-19,004.82-7,484.02

Finding the Fourth Proportional to 13,771.66, 19,004.82 and 7,484.02

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Solution

The fourth proportional to 13,771.66, 19,004.82 and 7,484.02 is: 10,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771.66 : 19,004.82 = 7,484.02 : x
  2. Step 2: Convert to fraction form
    13,771.66/19,004.82 = 7,484.02/x
  3. Step 3: Cross multiply
    13,771.66x = 19,004.82 × 7,484.02
  4. Step 4: Simplify right side
    13,771.66x = 142,232,452.98
  5. Step 5: Solve for x
    x = 142,232,452.98/13,771.66
  6. Step 6: Final answer
    x = 10,327.91

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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.