Home / 19,075.04-28,589.52-8,108

Finding the Fourth Proportional to 19,075.04, 28,589.52 and 8,108

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Solution

The fourth proportional to 19,075.04, 28,589.52 and 8,108 is: 12,152.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,075.04 : 28,589.52 = 8,108 : x
  2. Step 2: Convert to fraction form
    19,075.04/28,589.52 = 8,108/x
  3. Step 3: Cross multiply
    19,075.04x = 28,589.52 × 8,108
  4. Step 4: Simplify right side
    19,075.04x = 231,803,828.16
  5. Step 5: Solve for x
    x = 231,803,828.16/19,075.04
  6. Step 6: Final answer
    x = 12,152.21

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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.