Home / 14,087.52-21,131.01-5,765.58

Finding the Fourth Proportional to 14,087.52, 21,131.01 and 5,765.58

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Solution

The fourth proportional to 14,087.52, 21,131.01 and 5,765.58 is: 8,648.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.52 : 21,131.01 = 5,765.58 : x
  2. Step 2: Convert to fraction form
    14,087.52/21,131.01 = 5,765.58/x
  3. Step 3: Cross multiply
    14,087.52x = 21,131.01 × 5,765.58
  4. Step 4: Simplify right side
    14,087.52x = 121,832,528.64
  5. Step 5: Solve for x
    x = 121,832,528.64/14,087.52
  6. Step 6: Final answer
    x = 8,648.26

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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.