Home / 19,540.23-29,349.57-11,658.14

Finding the Fourth Proportional to 19,540.23, 29,349.57 and 11,658.14

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Solution

The fourth proportional to 19,540.23, 29,349.57 and 11,658.14 is: 17,510.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.23 : 29,349.57 = 11,658.14 : x
  2. Step 2: Convert to fraction form
    19,540.23/29,349.57 = 11,658.14/x
  3. Step 3: Cross multiply
    19,540.23x = 29,349.57 × 11,658.14
  4. Step 4: Simplify right side
    19,540.23x = 342,161,396.00
  5. Step 5: Solve for x
    x = 342,161,396.00/19,540.23
  6. Step 6: Final answer
    x = 17,510.62

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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.