Home / 13,352.04-18,425.07-7,383.31

Finding the Fourth Proportional to 13,352.04, 18,425.07 and 7,383.31

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Solution

The fourth proportional to 13,352.04, 18,425.07 and 7,383.31 is: 10,188.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.04 : 18,425.07 = 7,383.31 : x
  2. Step 2: Convert to fraction form
    13,352.04/18,425.07 = 7,383.31/x
  3. Step 3: Cross multiply
    13,352.04x = 18,425.07 × 7,383.31
  4. Step 4: Simplify right side
    13,352.04x = 136,038,003.58
  5. Step 5: Solve for x
    x = 136,038,003.58/13,352.04
  6. Step 6: Final answer
    x = 10,188.56

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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.