Home / 13,294.08-18,346.92-7,326.30

Finding the Fourth Proportional to 13,294.08, 18,346.92 and 7,326.30

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Solution

The fourth proportional to 13,294.08, 18,346.92 and 7,326.30 is: 10,110.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.08 : 18,346.92 = 7,326.30 : x
  2. Step 2: Convert to fraction form
    13,294.08/18,346.92 = 7,326.30/x
  3. Step 3: Cross multiply
    13,294.08x = 18,346.92 × 7,326.30
  4. Step 4: Simplify right side
    13,294.08x = 134,415,040.00
  5. Step 5: Solve for x
    x = 134,415,040.00/13,294.08
  6. Step 6: Final answer
    x = 10,110.89

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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.