Home / 16,858.56-23,255.46-9,784.20

Finding the Fourth Proportional to 16,858.56, 23,255.46 and 9,784.20

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Solution

The fourth proportional to 16,858.56, 23,255.46 and 9,784.20 is: 13,496.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.56 : 23,255.46 = 9,784.20 : x
  2. Step 2: Convert to fraction form
    16,858.56/23,255.46 = 9,784.20/x
  3. Step 3: Cross multiply
    16,858.56x = 23,255.46 × 9,784.20
  4. Step 4: Simplify right side
    16,858.56x = 227,536,071.73
  5. Step 5: Solve for x
    x = 227,536,071.73/16,858.56
  6. Step 6: Final answer
    x = 13,496.77

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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.