Home / 23,869.89-32,940.68-13,259.70

Finding the Fourth Proportional to 23,869.89, 32,940.68 and 13,259.70

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Solution

The fourth proportional to 23,869.89, 32,940.68 and 13,259.70 is: 18,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,869.89 : 32,940.68 = 13,259.70 : x
  2. Step 2: Convert to fraction form
    23,869.89/32,940.68 = 13,259.70/x
  3. Step 3: Cross multiply
    23,869.89x = 32,940.68 × 13,259.70
  4. Step 4: Simplify right side
    23,869.89x = 436,783,468.30
  5. Step 5: Solve for x
    x = 436,783,468.30/23,869.89
  6. Step 6: Final answer
    x = 18,298.51

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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.