Home / 17,907.04-26,860.68-5,428.03

Finding the Fourth Proportional to 17,907.04, 26,860.68 and 5,428.03

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Solution

The fourth proportional to 17,907.04, 26,860.68 and 5,428.03 is: 8,142.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907.04 : 26,860.68 = 5,428.03 : x
  2. Step 2: Convert to fraction form
    17,907.04/26,860.68 = 5,428.03/x
  3. Step 3: Cross multiply
    17,907.04x = 26,860.68 × 5,428.03
  4. Step 4: Simplify right side
    17,907.04x = 145,800,576.86
  5. Step 5: Solve for x
    x = 145,800,576.86/17,907.04
  6. Step 6: Final answer
    x = 8,142.08

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1.5x scale

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.