Home / 17,895.75-24,719.37-13,620.84

Finding the Fourth Proportional to 17,895.75, 24,719.37 and 13,620.84

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Solution

The fourth proportional to 17,895.75, 24,719.37 and 13,620.84 is: 18,814.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,895.75 : 24,719.37 = 13,620.84 : x
  2. Step 2: Convert to fraction form
    17,895.75/24,719.37 = 13,620.84/x
  3. Step 3: Cross multiply
    17,895.75x = 24,719.37 × 13,620.84
  4. Step 4: Simplify right side
    17,895.75x = 336,698,583.67
  5. Step 5: Solve for x
    x = 336,698,583.67/17,895.75
  6. Step 6: Final answer
    x = 18,814.44

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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.