Home / 13,599.48-18,760.30-9,069.96

Finding the Fourth Proportional to 13,599.48, 18,760.30 and 9,069.96

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Solution

The fourth proportional to 13,599.48, 18,760.30 and 9,069.96 is: 12,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.48 : 18,760.30 = 9,069.96 : x
  2. Step 2: Convert to fraction form
    13,599.48/18,760.30 = 9,069.96/x
  3. Step 3: Cross multiply
    13,599.48x = 18,760.30 × 9,069.96
  4. Step 4: Simplify right side
    13,599.48x = 170,155,170.59
  5. Step 5: Solve for x
    x = 170,155,170.59/13,599.48
  6. Step 6: Final answer
    x = 12,511.89

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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.