Home / 19,078.08-28,560.16-17,075.84

Finding the Fourth Proportional to 19,078.08, 28,560.16 and 17,075.84

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Solution

The fourth proportional to 19,078.08, 28,560.16 and 17,075.84 is: 25,562.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078.08 : 28,560.16 = 17,075.84 : x
  2. Step 2: Convert to fraction form
    19,078.08/28,560.16 = 17,075.84/x
  3. Step 3: Cross multiply
    19,078.08x = 28,560.16 × 17,075.84
  4. Step 4: Simplify right side
    19,078.08x = 487,688,722.53
  5. Step 5: Solve for x
    x = 487,688,722.53/19,078.08
  6. Step 6: Final answer
    x = 25,562.78

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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.