Home / 22,661.06-31,267.16-13,708.34

Finding the Fourth Proportional to 22,661.06, 31,267.16 and 13,708.34

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Solution

The fourth proportional to 22,661.06, 31,267.16 and 13,708.34 is: 18,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,661.06 : 31,267.16 = 13,708.34 : x
  2. Step 2: Convert to fraction form
    22,661.06/31,267.16 = 13,708.34/x
  3. Step 3: Cross multiply
    22,661.06x = 31,267.16 × 13,708.34
  4. Step 4: Simplify right side
    22,661.06x = 428,620,860.11
  5. Step 5: Solve for x
    x = 428,620,860.11/22,661.06
  6. Step 6: Final answer
    x = 18,914.42

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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.