Home / 14,051.61-21,075.96-4,690.61

Finding the Fourth Proportional to 14,051.61, 21,075.96 and 4,690.61

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Solution

The fourth proportional to 14,051.61, 21,075.96 and 4,690.61 is: 7,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.61 : 21,075.96 = 4,690.61 : x
  2. Step 2: Convert to fraction form
    14,051.61/21,075.96 = 4,690.61/x
  3. Step 3: Cross multiply
    14,051.61x = 21,075.96 × 4,690.61
  4. Step 4: Simplify right side
    14,051.61x = 98,859,099.98
  5. Step 5: Solve for x
    x = 98,859,099.98/14,051.61
  6. Step 6: Final answer
    x = 7,035.43

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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.