Home / 23,939.60-35,875.79-18,919.91

Finding the Fourth Proportional to 23,939.60, 35,875.79 and 18,919.91

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Solution

The fourth proportional to 23,939.60, 35,875.79 and 18,919.91 is: 28,353.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,939.60 : 35,875.79 = 18,919.91 : x
  2. Step 2: Convert to fraction form
    23,939.60/35,875.79 = 18,919.91/x
  3. Step 3: Cross multiply
    23,939.60x = 35,875.79 × 18,919.91
  4. Step 4: Simplify right side
    23,939.60x = 678,766,585.90
  5. Step 5: Solve for x
    x = 678,766,585.90/23,939.60
  6. Step 6: Final answer
    x = 28,353.29

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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.