Home / 13,615.58-20,394.66-6,226.25

Finding the Fourth Proportional to 13,615.58, 20,394.66 and 6,226.25

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Solution

The fourth proportional to 13,615.58, 20,394.66 and 6,226.25 is: 9,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,615.58 : 20,394.66 = 6,226.25 : x
  2. Step 2: Convert to fraction form
    13,615.58/20,394.66 = 6,226.25/x
  3. Step 3: Cross multiply
    13,615.58x = 20,394.66 × 6,226.25
  4. Step 4: Simplify right side
    13,615.58x = 126,982,302.81
  5. Step 5: Solve for x
    x = 126,982,302.81/13,615.58
  6. Step 6: Final answer
    x = 9,326.25

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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.