Home / 19,065.98-28,745.24-17,779.72

Finding the Fourth Proportional to 19,065.98, 28,745.24 and 17,779.72

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Solution

The fourth proportional to 19,065.98, 28,745.24 and 17,779.72 is: 26,805.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.98 : 28,745.24 = 17,779.72 : x
  2. Step 2: Convert to fraction form
    19,065.98/28,745.24 = 17,779.72/x
  3. Step 3: Cross multiply
    19,065.98x = 28,745.24 × 17,779.72
  4. Step 4: Simplify right side
    19,065.98x = 511,082,318.53
  5. Step 5: Solve for x
    x = 511,082,318.53/19,065.98
  6. Step 6: Final answer
    x = 26,805.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.