Home / 14,647.28-21,970.85-3,554.03

Finding the Fourth Proportional to 14,647.28, 21,970.85 and 3,554.03

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Solution

The fourth proportional to 14,647.28, 21,970.85 and 3,554.03 is: 5,331.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.28 : 21,970.85 = 3,554.03 : x
  2. Step 2: Convert to fraction form
    14,647.28/21,970.85 = 3,554.03/x
  3. Step 3: Cross multiply
    14,647.28x = 21,970.85 × 3,554.03
  4. Step 4: Simplify right side
    14,647.28x = 78,084,973.60
  5. Step 5: Solve for x
    x = 78,084,973.60/14,647.28
  6. Step 6: Final answer
    x = 5,331.02

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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.