Home / 16,290.99-22,487.36-9,914.67

Finding the Fourth Proportional to 16,290.99, 22,487.36 and 9,914.67

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Solution

The fourth proportional to 16,290.99, 22,487.36 and 9,914.67 is: 13,685.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,290.99 : 22,487.36 = 9,914.67 : x
  2. Step 2: Convert to fraction form
    16,290.99/22,487.36 = 9,914.67/x
  3. Step 3: Cross multiply
    16,290.99x = 22,487.36 × 9,914.67
  4. Step 4: Simplify right side
    16,290.99x = 222,954,704.00
  5. Step 5: Solve for x
    x = 222,954,704.00/16,290.99
  6. Step 6: Final answer
    x = 13,685.77

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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.