Home / 16,669.56-23,003.68-9,956.68

Finding the Fourth Proportional to 16,669.56, 23,003.68 and 9,956.68

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Solution

The fourth proportional to 16,669.56, 23,003.68 and 9,956.68 is: 13,740.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,669.56 : 23,003.68 = 9,956.68 : x
  2. Step 2: Convert to fraction form
    16,669.56/23,003.68 = 9,956.68/x
  3. Step 3: Cross multiply
    16,669.56x = 23,003.68 × 9,956.68
  4. Step 4: Simplify right side
    16,669.56x = 229,040,280.58
  5. Step 5: Solve for x
    x = 229,040,280.58/16,669.56
  6. Step 6: Final answer
    x = 13,740.03

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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.