Home / 16,905.68-25,362.36-9,114.32

Finding the Fourth Proportional to 16,905.68, 25,362.36 and 9,114.32

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Solution

The fourth proportional to 16,905.68, 25,362.36 and 9,114.32 is: 13,673.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.68 : 25,362.36 = 9,114.32 : x
  2. Step 2: Convert to fraction form
    16,905.68/25,362.36 = 9,114.32/x
  3. Step 3: Cross multiply
    16,905.68x = 25,362.36 × 9,114.32
  4. Step 4: Simplify right side
    16,905.68x = 231,160,665.00
  5. Step 5: Solve for x
    x = 231,160,665.00/16,905.68
  6. Step 6: Final answer
    x = 13,673.55

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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.