Home / 16,631.73-22,890.60-13,263.75

Finding the Fourth Proportional to 16,631.73, 22,890.60 and 13,263.75

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Solution

The fourth proportional to 16,631.73, 22,890.60 and 13,263.75 is: 18,255.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,631.73 : 22,890.60 = 13,263.75 : x
  2. Step 2: Convert to fraction form
    16,631.73/22,890.60 = 13,263.75/x
  3. Step 3: Cross multiply
    16,631.73x = 22,890.60 × 13,263.75
  4. Step 4: Simplify right side
    16,631.73x = 303,615,195.75
  5. Step 5: Solve for x
    x = 303,615,195.75/16,631.73
  6. Step 6: Final answer
    x = 18,255.18

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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.