Home / 13,294.70-18,346.81-7,326.58

Finding the Fourth Proportional to 13,294.70, 18,346.81 and 7,326.58

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Solution

The fourth proportional to 13,294.70, 18,346.81 and 7,326.58 is: 10,110.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.70 : 18,346.81 = 7,326.58 : x
  2. Step 2: Convert to fraction form
    13,294.70/18,346.81 = 7,326.58/x
  3. Step 3: Cross multiply
    13,294.70x = 18,346.81 × 7,326.58
  4. Step 4: Simplify right side
    13,294.70x = 134,419,334.58
  5. Step 5: Solve for x
    x = 134,419,334.58/13,294.70
  6. Step 6: Final answer
    x = 10,110.75

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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.