Home / 23,190.18-32,001.60-12,579.60

Finding the Fourth Proportional to 23,190.18, 32,001.60 and 12,579.60

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Solution

The fourth proportional to 23,190.18, 32,001.60 and 12,579.60 is: 17,359.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,190.18 : 32,001.60 = 12,579.60 : x
  2. Step 2: Convert to fraction form
    23,190.18/32,001.60 = 12,579.60/x
  3. Step 3: Cross multiply
    23,190.18x = 32,001.60 × 12,579.60
  4. Step 4: Simplify right side
    23,190.18x = 402,567,327.36
  5. Step 5: Solve for x
    x = 402,567,327.36/23,190.18
  6. Step 6: Final answer
    x = 17,359.39

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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.