Home / 16,940.24-25,415.16-9,154.64

Finding the Fourth Proportional to 16,940.24, 25,415.16 and 9,154.64

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Solution

The fourth proportional to 16,940.24, 25,415.16 and 9,154.64 is: 13,734.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940.24 : 25,415.16 = 9,154.64 : x
  2. Step 2: Convert to fraction form
    16,940.24/25,415.16 = 9,154.64/x
  3. Step 3: Cross multiply
    16,940.24x = 25,415.16 × 9,154.64
  4. Step 4: Simplify right side
    16,940.24x = 232,666,640.34
  5. Step 5: Solve for x
    x = 232,666,640.34/16,940.24
  6. Step 6: Final answer
    x = 13,734.55

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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.