Home / 14,087.72-21,132.50-4,727.36

Finding the Fourth Proportional to 14,087.72, 21,132.50 and 4,727.36

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Solution

The fourth proportional to 14,087.72, 21,132.50 and 4,727.36 is: 7,091.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.72 : 21,132.50 = 4,727.36 : x
  2. Step 2: Convert to fraction form
    14,087.72/21,132.50 = 4,727.36/x
  3. Step 3: Cross multiply
    14,087.72x = 21,132.50 × 4,727.36
  4. Step 4: Simplify right side
    14,087.72x = 99,900,964.39
  5. Step 5: Solve for x
    x = 99,900,964.39/14,087.72
  6. Step 6: Final answer
    x = 7,091.35

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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.