Home / 13,165.04-18,167.54-7,196.56

Finding the Fourth Proportional to 13,165.04, 18,167.54 and 7,196.56

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Solution

The fourth proportional to 13,165.04, 18,167.54 and 7,196.56 is: 9,931.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.04 : 18,167.54 = 7,196.56 : x
  2. Step 2: Convert to fraction form
    13,165.04/18,167.54 = 7,196.56/x
  3. Step 3: Cross multiply
    13,165.04x = 18,167.54 × 7,196.56
  4. Step 4: Simplify right side
    13,165.04x = 130,743,791.66
  5. Step 5: Solve for x
    x = 130,743,791.66/13,165.04
  6. Step 6: Final answer
    x = 9,931.14

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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.