Home / 16,851.74-25,284.96-6,470.78

Finding the Fourth Proportional to 16,851.74, 25,284.96 and 6,470.78

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Solution

The fourth proportional to 16,851.74, 25,284.96 and 6,470.78 is: 9,708.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851.74 : 25,284.96 = 6,470.78 : x
  2. Step 2: Convert to fraction form
    16,851.74/25,284.96 = 6,470.78/x
  3. Step 3: Cross multiply
    16,851.74x = 25,284.96 × 6,470.78
  4. Step 4: Simplify right side
    16,851.74x = 163,613,287.04
  5. Step 5: Solve for x
    x = 163,613,287.04/16,851.74
  6. Step 6: Final answer
    x = 9,708.99

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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.