Home / 17,115.81-23,612.79-10,400.37

Finding the Fourth Proportional to 17,115.81, 23,612.79 and 10,400.37

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Solution

The fourth proportional to 17,115.81, 23,612.79 and 10,400.37 is: 14,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.81 : 23,612.79 = 10,400.37 : x
  2. Step 2: Convert to fraction form
    17,115.81/23,612.79 = 10,400.37/x
  3. Step 3: Cross multiply
    17,115.81x = 23,612.79 × 10,400.37
  4. Step 4: Simplify right side
    17,115.81x = 245,581,752.73
  5. Step 5: Solve for x
    x = 245,581,752.73/17,115.81
  6. Step 6: Final answer
    x = 14,348.24

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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.