Home / 22,602.82-31,190.49-13,281.67

Finding the Fourth Proportional to 22,602.82, 31,190.49 and 13,281.67

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Solution

The fourth proportional to 22,602.82, 31,190.49 and 13,281.67 is: 18,327.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,602.82 : 31,190.49 = 13,281.67 : x
  2. Step 2: Convert to fraction form
    22,602.82/31,190.49 = 13,281.67/x
  3. Step 3: Cross multiply
    22,602.82x = 31,190.49 × 13,281.67
  4. Step 4: Simplify right side
    22,602.82x = 414,261,795.32
  5. Step 5: Solve for x
    x = 414,261,795.32/22,602.82
  6. Step 6: Final answer
    x = 18,327.88

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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.