Home / 19,510.23-29,215.92-13,998.99

Finding the Fourth Proportional to 19,510.23, 29,215.92 and 13,998.99

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Solution

The fourth proportional to 19,510.23, 29,215.92 and 13,998.99 is: 20,963.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,510.23 : 29,215.92 = 13,998.99 : x
  2. Step 2: Convert to fraction form
    19,510.23/29,215.92 = 13,998.99/x
  3. Step 3: Cross multiply
    19,510.23x = 29,215.92 × 13,998.99
  4. Step 4: Simplify right side
    19,510.23x = 408,993,371.92
  5. Step 5: Solve for x
    x = 408,993,371.92/19,510.23
  6. Step 6: Final answer
    x = 20,963.02

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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.