Home / 16,983.60-25,475.40-16,837.80

Finding the Fourth Proportional to 16,983.60, 25,475.40 and 16,837.80

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Solution

The fourth proportional to 16,983.60, 25,475.40 and 16,837.80 is: 25,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,983.60 : 25,475.40 = 16,837.80 : x
  2. Step 2: Convert to fraction form
    16,983.60/25,475.40 = 16,837.80/x
  3. Step 3: Cross multiply
    16,983.60x = 25,475.40 × 16,837.80
  4. Step 4: Simplify right side
    16,983.60x = 428,949,690.12
  5. Step 5: Solve for x
    x = 428,949,690.12/16,983.60
  6. Step 6: Final answer
    x = 25,256.70

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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.