Home / 18,616.32-25,690.88-10,232.32

Finding the Fourth Proportional to 18,616.32, 25,690.88 and 10,232.32

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Solution

The fourth proportional to 18,616.32, 25,690.88 and 10,232.32 is: 14,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,616.32 : 25,690.88 = 10,232.32 : x
  2. Step 2: Convert to fraction form
    18,616.32/25,690.88 = 10,232.32/x
  3. Step 3: Cross multiply
    18,616.32x = 25,690.88 × 10,232.32
  4. Step 4: Simplify right side
    18,616.32x = 262,877,305.24
  5. Step 5: Solve for x
    x = 262,877,305.24/18,616.32
  6. Step 6: Final answer
    x = 14,120.80

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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.