Home / 13,791.08-20,689.36-5,032.15

Finding the Fourth Proportional to 13,791.08, 20,689.36 and 5,032.15

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Solution

The fourth proportional to 13,791.08, 20,689.36 and 5,032.15 is: 7,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.08 : 20,689.36 = 5,032.15 : x
  2. Step 2: Convert to fraction form
    13,791.08/20,689.36 = 5,032.15/x
  3. Step 3: Cross multiply
    13,791.08x = 20,689.36 × 5,032.15
  4. Step 4: Simplify right side
    13,791.08x = 104,111,898.62
  5. Step 5: Solve for x
    x = 104,111,898.62/13,791.08
  6. Step 6: Final answer
    x = 7,549.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.