Home / 22,699.39-31,313.49-13,262.48

Finding the Fourth Proportional to 22,699.39, 31,313.49 and 13,262.48

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Solution

The fourth proportional to 22,699.39, 31,313.49 and 13,262.48 is: 18,295.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,699.39 : 31,313.49 = 13,262.48 : x
  2. Step 2: Convert to fraction form
    22,699.39/31,313.49 = 13,262.48/x
  3. Step 3: Cross multiply
    22,699.39x = 31,313.49 × 13,262.48
  4. Step 4: Simplify right side
    22,699.39x = 415,294,622.12
  5. Step 5: Solve for x
    x = 415,294,622.12/22,699.39
  6. Step 6: Final answer
    x = 18,295.41

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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.