Home / 14,563.18-21,842.34-4,172.50

Finding the Fourth Proportional to 14,563.18, 21,842.34 and 4,172.50

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Solution

The fourth proportional to 14,563.18, 21,842.34 and 4,172.50 is: 6,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,563.18 : 21,842.34 = 4,172.50 : x
  2. Step 2: Convert to fraction form
    14,563.18/21,842.34 = 4,172.50/x
  3. Step 3: Cross multiply
    14,563.18x = 21,842.34 × 4,172.50
  4. Step 4: Simplify right side
    14,563.18x = 91,137,163.65
  5. Step 5: Solve for x
    x = 91,137,163.65/14,563.18
  6. Step 6: Final answer
    x = 6,258.05

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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.