Home / 16,858.97-25,289.67-6,470.72

Finding the Fourth Proportional to 16,858.97, 25,289.67 and 6,470.72

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Solution

The fourth proportional to 16,858.97, 25,289.67 and 6,470.72 is: 9,706.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.97 : 25,289.67 = 6,470.72 : x
  2. Step 2: Convert to fraction form
    16,858.97/25,289.67 = 6,470.72/x
  3. Step 3: Cross multiply
    16,858.97x = 25,289.67 × 6,470.72
  4. Step 4: Simplify right side
    16,858.97x = 163,642,329.72
  5. Step 5: Solve for x
    x = 163,642,329.72/16,858.97
  6. Step 6: Final answer
    x = 9,706.54

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1.5x scale

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.