Home / 13,791.68-19,032.72-8,483.36

Finding the Fourth Proportional to 13,791.68, 19,032.72 and 8,483.36

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Solution

The fourth proportional to 13,791.68, 19,032.72 and 8,483.36 is: 11,707.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.68 : 19,032.72 = 8,483.36 : x
  2. Step 2: Convert to fraction form
    13,791.68/19,032.72 = 8,483.36/x
  3. Step 3: Cross multiply
    13,791.68x = 19,032.72 × 8,483.36
  4. Step 4: Simplify right side
    13,791.68x = 161,461,415.54
  5. Step 5: Solve for x
    x = 161,461,415.54/13,791.68
  6. Step 6: Final answer
    x = 11,707.16

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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.