Home / 13,195.14-18,204.09-7,605.06

Finding the Fourth Proportional to 13,195.14, 18,204.09 and 7,605.06

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Solution

The fourth proportional to 13,195.14, 18,204.09 and 7,605.06 is: 10,491.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.14 : 18,204.09 = 7,605.06 : x
  2. Step 2: Convert to fraction form
    13,195.14/18,204.09 = 7,605.06/x
  3. Step 3: Cross multiply
    13,195.14x = 18,204.09 × 7,605.06
  4. Step 4: Simplify right side
    13,195.14x = 138,443,196.70
  5. Step 5: Solve for x
    x = 138,443,196.70/13,195.14
  6. Step 6: Final answer
    x = 10,491.98

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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.