Home / 13,791.96-19,032.72-7,504.32

Finding the Fourth Proportional to 13,791.96, 19,032.72 and 7,504.32

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Solution

The fourth proportional to 13,791.96, 19,032.72 and 7,504.32 is: 10,355.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.96 : 19,032.72 = 7,504.32 : x
  2. Step 2: Convert to fraction form
    13,791.96/19,032.72 = 7,504.32/x
  3. Step 3: Cross multiply
    13,791.96x = 19,032.72 × 7,504.32
  4. Step 4: Simplify right side
    13,791.96x = 142,827,621.35
  5. Step 5: Solve for x
    x = 142,827,621.35/13,791.96
  6. Step 6: Final answer
    x = 10,355.86

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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.