Home / 23,188.60-34,774.80-12,091.60

Finding the Fourth Proportional to 23,188.60, 34,774.80 and 12,091.60

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Solution

The fourth proportional to 23,188.60, 34,774.80 and 12,091.60 is: 18,133.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,188.60 : 34,774.80 = 12,091.60 : x
  2. Step 2: Convert to fraction form
    23,188.60/34,774.80 = 12,091.60/x
  3. Step 3: Cross multiply
    23,188.60x = 34,774.80 × 12,091.60
  4. Step 4: Simplify right side
    23,188.60x = 420,482,971.68
  5. Step 5: Solve for x
    x = 420,482,971.68/23,188.60
  6. Step 6: Final answer
    x = 18,133.18

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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.