Home / 14,252.68-21,362.10-6,643.70

Finding the Fourth Proportional to 14,252.68, 21,362.10 and 6,643.70

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Solution

The fourth proportional to 14,252.68, 21,362.10 and 6,643.70 is: 9,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,252.68 : 21,362.10 = 6,643.70 : x
  2. Step 2: Convert to fraction form
    14,252.68/21,362.10 = 6,643.70/x
  3. Step 3: Cross multiply
    14,252.68x = 21,362.10 × 6,643.70
  4. Step 4: Simplify right side
    14,252.68x = 141,923,452.32
  5. Step 5: Solve for x
    x = 141,923,452.32/14,252.68
  6. Step 6: Final answer
    x = 9,957.67

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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.