Home / 17,117.17-23,651.88-13,172.37

Finding the Fourth Proportional to 17,117.17, 23,651.88 and 13,172.37

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Solution

The fourth proportional to 17,117.17, 23,651.88 and 13,172.37 is: 18,201.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,117.17 : 23,651.88 = 13,172.37 : x
  2. Step 2: Convert to fraction form
    17,117.17/23,651.88 = 13,172.37/x
  3. Step 3: Cross multiply
    17,117.17x = 23,651.88 × 13,172.37
  4. Step 4: Simplify right side
    17,117.17x = 311,551,314.56
  5. Step 5: Solve for x
    x = 311,551,314.56/17,117.17
  6. Step 6: Final answer
    x = 18,201.10

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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.