Home / 16,855.05-23,264.60-9,783.75

Finding the Fourth Proportional to 16,855.05, 23,264.60 and 9,783.75

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Solution

The fourth proportional to 16,855.05, 23,264.60 and 9,783.75 is: 13,504.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.05 : 23,264.60 = 9,783.75 : x
  2. Step 2: Convert to fraction form
    16,855.05/23,264.60 = 9,783.75/x
  3. Step 3: Cross multiply
    16,855.05x = 23,264.60 × 9,783.75
  4. Step 4: Simplify right side
    16,855.05x = 227,614,981.33
  5. Step 5: Solve for x
    x = 227,614,981.33/16,855.05
  6. Step 6: Final answer
    x = 13,504.26

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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.