Home / 16,190.01-22,343.18-9,903.60

Finding the Fourth Proportional to 16,190.01, 22,343.18 and 9,903.60

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Solution

The fourth proportional to 16,190.01, 22,343.18 and 9,903.60 is: 13,667.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,190.01 : 22,343.18 = 9,903.60 : x
  2. Step 2: Convert to fraction form
    16,190.01/22,343.18 = 9,903.60/x
  3. Step 3: Cross multiply
    16,190.01x = 22,343.18 × 9,903.60
  4. Step 4: Simplify right side
    16,190.01x = 221,277,867.93
  5. Step 5: Solve for x
    x = 221,277,867.93/16,190.01
  6. Step 6: Final answer
    x = 13,667.56

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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.