Home / 17,075.62-25,613.55-5,390.02

Finding the Fourth Proportional to 17,075.62, 25,613.55 and 5,390.02

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Solution

The fourth proportional to 17,075.62, 25,613.55 and 5,390.02 is: 8,085.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,075.62 : 25,613.55 = 5,390.02 : x
  2. Step 2: Convert to fraction form
    17,075.62/25,613.55 = 5,390.02/x
  3. Step 3: Cross multiply
    17,075.62x = 25,613.55 × 5,390.02
  4. Step 4: Simplify right side
    17,075.62x = 138,057,546.77
  5. Step 5: Solve for x
    x = 138,057,546.77/17,075.62
  6. Step 6: Final answer
    x = 8,085.07

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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.