Home / 19,857.24-29,776.43-11,539.65

Finding the Fourth Proportional to 19,857.24, 29,776.43 and 11,539.65

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Solution

The fourth proportional to 19,857.24, 29,776.43 and 11,539.65 is: 17,303.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,857.24 : 29,776.43 = 11,539.65 : x
  2. Step 2: Convert to fraction form
    19,857.24/29,776.43 = 11,539.65/x
  3. Step 3: Cross multiply
    19,857.24x = 29,776.43 × 11,539.65
  4. Step 4: Simplify right side
    19,857.24x = 343,609,522.75
  5. Step 5: Solve for x
    x = 343,609,522.75/19,857.24
  6. Step 6: Final answer
    x = 17,303.99

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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.