Home / 13,013.53-17,958.45-7,045.14

Finding the Fourth Proportional to 13,013.53, 17,958.45 and 7,045.14

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Solution

The fourth proportional to 13,013.53, 17,958.45 and 7,045.14 is: 9,722.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.53 : 17,958.45 = 7,045.14 : x
  2. Step 2: Convert to fraction form
    13,013.53/17,958.45 = 7,045.14/x
  3. Step 3: Cross multiply
    13,013.53x = 17,958.45 × 7,045.14
  4. Step 4: Simplify right side
    13,013.53x = 126,519,794.43
  5. Step 5: Solve for x
    x = 126,519,794.43/13,013.53
  6. Step 6: Final answer
    x = 9,722.18

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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.