Home / 22,707.22-31,338.53-13,017.58

Finding the Fourth Proportional to 22,707.22, 31,338.53 and 13,017.58

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Solution

The fourth proportional to 22,707.22, 31,338.53 and 13,017.58 is: 17,965.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,707.22 : 31,338.53 = 13,017.58 : x
  2. Step 2: Convert to fraction form
    22,707.22/31,338.53 = 13,017.58/x
  3. Step 3: Cross multiply
    22,707.22x = 31,338.53 × 13,017.58
  4. Step 4: Simplify right side
    22,707.22x = 407,951,821.36
  5. Step 5: Solve for x
    x = 407,951,821.36/22,707.22
  6. Step 6: Final answer
    x = 17,965.73

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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.