Home / 23,579.68-32,539.96-12,970.02

Finding the Fourth Proportional to 23,579.68, 32,539.96 and 12,970.02

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Solution

The fourth proportional to 23,579.68, 32,539.96 and 12,970.02 is: 17,898.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,579.68 : 32,539.96 = 12,970.02 : x
  2. Step 2: Convert to fraction form
    23,579.68/32,539.96 = 12,970.02/x
  3. Step 3: Cross multiply
    23,579.68x = 32,539.96 × 12,970.02
  4. Step 4: Simplify right side
    23,579.68x = 422,043,932.00
  5. Step 5: Solve for x
    x = 422,043,932.00/23,579.68
  6. Step 6: Final answer
    x = 17,898.63

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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.