Home / 14,321.08-19,765.56-8,356.24

Finding the Fourth Proportional to 14,321.08, 19,765.56 and 8,356.24

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Solution

The fourth proportional to 14,321.08, 19,765.56 and 8,356.24 is: 11,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.08 : 19,765.56 = 8,356.24 : x
  2. Step 2: Convert to fraction form
    14,321.08/19,765.56 = 8,356.24/x
  3. Step 3: Cross multiply
    14,321.08x = 19,765.56 × 8,356.24
  4. Step 4: Simplify right side
    14,321.08x = 165,165,763.09
  5. Step 5: Solve for x
    x = 165,165,763.09/14,321.08
  6. Step 6: Final answer
    x = 11,533.05

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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.