Home / 17,124.64-25,661.70-7,767.52

Finding the Fourth Proportional to 17,124.64, 25,661.70 and 7,767.52

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Solution

The fourth proportional to 17,124.64, 25,661.70 and 7,767.52 is: 11,639.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,124.64 : 25,661.70 = 7,767.52 : x
  2. Step 2: Convert to fraction form
    17,124.64/25,661.70 = 7,767.52/x
  3. Step 3: Cross multiply
    17,124.64x = 25,661.70 × 7,767.52
  4. Step 4: Simplify right side
    17,124.64x = 199,327,767.98
  5. Step 5: Solve for x
    x = 199,327,767.98/17,124.64
  6. Step 6: Final answer
    x = 11,639.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.