Home / 16,485.84-22,758.48-11,109.60

Finding the Fourth Proportional to 16,485.84, 22,758.48 and 11,109.60

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Solution

The fourth proportional to 16,485.84, 22,758.48 and 11,109.60 is: 15,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,485.84 : 22,758.48 = 11,109.60 : x
  2. Step 2: Convert to fraction form
    16,485.84/22,758.48 = 11,109.60/x
  3. Step 3: Cross multiply
    16,485.84x = 22,758.48 × 11,109.60
  4. Step 4: Simplify right side
    16,485.84x = 252,837,609.41
  5. Step 5: Solve for x
    x = 252,837,609.41/16,485.84
  6. Step 6: Final answer
    x = 15,336.65

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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.