Home / 16,940.39-23,400.03-13,010.07

Finding the Fourth Proportional to 16,940.39, 23,400.03 and 13,010.07

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Solution

The fourth proportional to 16,940.39, 23,400.03 and 13,010.07 is: 17,971.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940.39 : 23,400.03 = 13,010.07 : x
  2. Step 2: Convert to fraction form
    16,940.39/23,400.03 = 13,010.07/x
  3. Step 3: Cross multiply
    16,940.39x = 23,400.03 × 13,010.07
  4. Step 4: Simplify right side
    16,940.39x = 304,435,911.30
  5. Step 5: Solve for x
    x = 304,435,911.30/16,940.39
  6. Step 6: Final answer
    x = 17,971.01

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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.