Home / 19,623.60-29,435.40-11,847.60

Finding the Fourth Proportional to 19,623.60, 29,435.40 and 11,847.60

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Solution

The fourth proportional to 19,623.60, 29,435.40 and 11,847.60 is: 17,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.60 : 29,435.40 = 11,847.60 : x
  2. Step 2: Convert to fraction form
    19,623.60/29,435.40 = 11,847.60/x
  3. Step 3: Cross multiply
    19,623.60x = 29,435.40 × 11,847.60
  4. Step 4: Simplify right side
    19,623.60x = 348,738,845.04
  5. Step 5: Solve for x
    x = 348,738,845.04/19,623.60
  6. Step 6: Final answer
    x = 17,771.40

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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.