Home / 16,739.66-25,109.63-4,259.70

Finding the Fourth Proportional to 16,739.66, 25,109.63 and 4,259.70

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Solution

The fourth proportional to 16,739.66, 25,109.63 and 4,259.70 is: 6,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,739.66 : 25,109.63 = 4,259.70 : x
  2. Step 2: Convert to fraction form
    16,739.66/25,109.63 = 4,259.70/x
  3. Step 3: Cross multiply
    16,739.66x = 25,109.63 × 4,259.70
  4. Step 4: Simplify right side
    16,739.66x = 106,959,490.91
  5. Step 5: Solve for x
    x = 106,959,490.91/16,739.66
  6. Step 6: Final answer
    x = 6,389.59

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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.