Home / 17,192.78-23,700.68-13,411.70

Finding the Fourth Proportional to 17,192.78, 23,700.68 and 13,411.70

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Solution

The fourth proportional to 17,192.78, 23,700.68 and 13,411.70 is: 18,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,192.78 : 23,700.68 = 13,411.70 : x
  2. Step 2: Convert to fraction form
    17,192.78/23,700.68 = 13,411.70/x
  3. Step 3: Cross multiply
    17,192.78x = 23,700.68 × 13,411.70
  4. Step 4: Simplify right side
    17,192.78x = 317,866,409.96
  5. Step 5: Solve for x
    x = 317,866,409.96/17,192.78
  6. Step 6: Final answer
    x = 18,488.37

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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.