Home / 16,858.80-25,291.72-6,470.48

Finding the Fourth Proportional to 16,858.80, 25,291.72 and 6,470.48

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Solution

The fourth proportional to 16,858.80, 25,291.72 and 6,470.48 is: 9,707.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.80 : 25,291.72 = 6,470.48 : x
  2. Step 2: Convert to fraction form
    16,858.80/25,291.72 = 6,470.48/x
  3. Step 3: Cross multiply
    16,858.80x = 25,291.72 × 6,470.48
  4. Step 4: Simplify right side
    16,858.80x = 163,649,568.43
  5. Step 5: Solve for x
    x = 163,649,568.43/16,858.80
  6. Step 6: Final answer
    x = 9,707.07

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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.