Home / 23,091.20-34,636.80-17,561.60

Finding the Fourth Proportional to 23,091.20, 34,636.80 and 17,561.60

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Solution

The fourth proportional to 23,091.20, 34,636.80 and 17,561.60 is: 26,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,091.20 : 34,636.80 = 17,561.60 : x
  2. Step 2: Convert to fraction form
    23,091.20/34,636.80 = 17,561.60/x
  3. Step 3: Cross multiply
    23,091.20x = 34,636.80 × 17,561.60
  4. Step 4: Simplify right side
    23,091.20x = 608,277,626.88
  5. Step 5: Solve for x
    x = 608,277,626.88/23,091.20
  6. Step 6: Final answer
    x = 26,342.40

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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.