Home / 16,814.56-23,198.88-9,739.20

Finding the Fourth Proportional to 16,814.56, 23,198.88 and 9,739.20

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Solution

The fourth proportional to 16,814.56, 23,198.88 and 9,739.20 is: 13,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,814.56 : 23,198.88 = 9,739.20 : x
  2. Step 2: Convert to fraction form
    16,814.56/23,198.88 = 9,739.20/x
  3. Step 3: Cross multiply
    16,814.56x = 23,198.88 × 9,739.20
  4. Step 4: Simplify right side
    16,814.56x = 225,938,532.10
  5. Step 5: Solve for x
    x = 225,938,532.10/16,814.56
  6. Step 6: Final answer
    x = 13,437.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.