Home / 14,647.07-21,970.61-3,553.58

Finding the Fourth Proportional to 14,647.07, 21,970.61 and 3,553.58

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Solution

The fourth proportional to 14,647.07, 21,970.61 and 3,553.58 is: 5,330.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.07 : 21,970.61 = 3,553.58 : x
  2. Step 2: Convert to fraction form
    14,647.07/21,970.61 = 3,553.58/x
  3. Step 3: Cross multiply
    14,647.07x = 21,970.61 × 3,553.58
  4. Step 4: Simplify right side
    14,647.07x = 78,074,370.77
  5. Step 5: Solve for x
    x = 78,074,370.77/14,647.07
  6. Step 6: Final answer
    x = 5,330.37

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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.