Home / 13,435.52-18,540.43-7,467.23

Finding the Fourth Proportional to 13,435.52, 18,540.43 and 7,467.23

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Solution

The fourth proportional to 13,435.52, 18,540.43 and 7,467.23 is: 10,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.52 : 18,540.43 = 7,467.23 : x
  2. Step 2: Convert to fraction form
    13,435.52/18,540.43 = 7,467.23/x
  3. Step 3: Cross multiply
    13,435.52x = 18,540.43 × 7,467.23
  4. Step 4: Simplify right side
    13,435.52x = 138,445,682.79
  5. Step 5: Solve for x
    x = 138,445,682.79/13,435.52
  6. Step 6: Final answer
    x = 10,304.46

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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.