Home / 16,740.09-23,100.24-9,666.36

Finding the Fourth Proportional to 16,740.09, 23,100.24 and 9,666.36

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Solution

The fourth proportional to 16,740.09, 23,100.24 and 9,666.36 is: 13,338.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,740.09 : 23,100.24 = 9,666.36 : x
  2. Step 2: Convert to fraction form
    16,740.09/23,100.24 = 9,666.36/x
  3. Step 3: Cross multiply
    16,740.09x = 23,100.24 × 9,666.36
  4. Step 4: Simplify right side
    16,740.09x = 223,295,235.93
  5. Step 5: Solve for x
    x = 223,295,235.93/16,740.09
  6. Step 6: Final answer
    x = 13,338.95

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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.