Home / 17,219.40-23,760.95-9,666.56

Finding the Fourth Proportional to 17,219.40, 23,760.95 and 9,666.56

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Solution

The fourth proportional to 17,219.40, 23,760.95 and 9,666.56 is: 13,338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219.40 : 23,760.95 = 9,666.56 : x
  2. Step 2: Convert to fraction form
    17,219.40/23,760.95 = 9,666.56/x
  3. Step 3: Cross multiply
    17,219.40x = 23,760.95 × 9,666.56
  4. Step 4: Simplify right side
    17,219.40x = 229,686,600.50
  5. Step 5: Solve for x
    x = 229,686,600.50/17,219.40
  6. Step 6: Final answer
    x = 13,338.83

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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.