Home / 14,620.10-21,929.93-3,526.70

Finding the Fourth Proportional to 14,620.10, 21,929.93 and 3,526.70

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Solution

The fourth proportional to 14,620.10, 21,929.93 and 3,526.70 is: 5,289.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.10 : 21,929.93 = 3,526.70 : x
  2. Step 2: Convert to fraction form
    14,620.10/21,929.93 = 3,526.70/x
  3. Step 3: Cross multiply
    14,620.10x = 21,929.93 × 3,526.70
  4. Step 4: Simplify right side
    14,620.10x = 77,340,156.85
  5. Step 5: Solve for x
    x = 77,340,156.85/14,620.10
  6. Step 6: Final answer
    x = 5,289.99

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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.