Home / 16,971.69-25,409.94-12,798.57

Finding the Fourth Proportional to 16,971.69, 25,409.94 and 12,798.57

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Solution

The fourth proportional to 16,971.69, 25,409.94 and 12,798.57 is: 19,161.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.69 : 25,409.94 = 12,798.57 : x
  2. Step 2: Convert to fraction form
    16,971.69/25,409.94 = 12,798.57/x
  3. Step 3: Cross multiply
    16,971.69x = 25,409.94 × 12,798.57
  4. Step 4: Simplify right side
    16,971.69x = 325,210,895.79
  5. Step 5: Solve for x
    x = 325,210,895.79/16,971.69
  6. Step 6: Final answer
    x = 19,161.96

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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.