Home / 14,313.58-21,467.88-3,783.71

Finding the Fourth Proportional to 14,313.58, 21,467.88 and 3,783.71

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Solution

The fourth proportional to 14,313.58, 21,467.88 and 3,783.71 is: 5,674.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.58 : 21,467.88 = 3,783.71 : x
  2. Step 2: Convert to fraction form
    14,313.58/21,467.88 = 3,783.71/x
  3. Step 3: Cross multiply
    14,313.58x = 21,467.88 × 3,783.71
  4. Step 4: Simplify right side
    14,313.58x = 81,228,232.23
  5. Step 5: Solve for x
    x = 81,228,232.23/14,313.58
  6. Step 6: Final answer
    x = 5,674.91

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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.