Home / 17,510.20-26,222.10-13,103.80

Finding the Fourth Proportional to 17,510.20, 26,222.10 and 13,103.80

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Solution

The fourth proportional to 17,510.20, 26,222.10 and 13,103.80 is: 19,623.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,510.20 : 26,222.10 = 13,103.80 : x
  2. Step 2: Convert to fraction form
    17,510.20/26,222.10 = 13,103.80/x
  3. Step 3: Cross multiply
    17,510.20x = 26,222.10 × 13,103.80
  4. Step 4: Simplify right side
    17,510.20x = 343,609,153.98
  5. Step 5: Solve for x
    x = 343,609,153.98/17,510.20
  6. Step 6: Final answer
    x = 19,623.37

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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.