Home / 16,774.65-23,152.80-11,109.60

Finding the Fourth Proportional to 16,774.65, 23,152.80 and 11,109.60

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Solution

The fourth proportional to 16,774.65, 23,152.80 and 11,109.60 is: 15,333.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,774.65 : 23,152.80 = 11,109.60 : x
  2. Step 2: Convert to fraction form
    16,774.65/23,152.80 = 11,109.60/x
  3. Step 3: Cross multiply
    16,774.65x = 23,152.80 × 11,109.60
  4. Step 4: Simplify right side
    16,774.65x = 257,218,346.88
  5. Step 5: Solve for x
    x = 257,218,346.88/16,774.65
  6. Step 6: Final answer
    x = 15,333.75

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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.