Home / 22,861.98-31,555.86-13,303.70

Finding the Fourth Proportional to 22,861.98, 31,555.86 and 13,303.70

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Solution

The fourth proportional to 22,861.98, 31,555.86 and 13,303.70 is: 18,362.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,861.98 : 31,555.86 = 13,303.70 : x
  2. Step 2: Convert to fraction form
    22,861.98/31,555.86 = 13,303.70/x
  3. Step 3: Cross multiply
    22,861.98x = 31,555.86 × 13,303.70
  4. Step 4: Simplify right side
    22,861.98x = 419,809,694.68
  5. Step 5: Solve for x
    x = 419,809,694.68/22,861.98
  6. Step 6: Final answer
    x = 18,362.79

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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.