Home / 19,619.47-29,396.84-11,306.47

Finding the Fourth Proportional to 19,619.47, 29,396.84 and 11,306.47

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Solution

The fourth proportional to 19,619.47, 29,396.84 and 11,306.47 is: 16,941.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.47 : 29,396.84 = 11,306.47 : x
  2. Step 2: Convert to fraction form
    19,619.47/29,396.84 = 11,306.47/x
  3. Step 3: Cross multiply
    19,619.47x = 29,396.84 × 11,306.47
  4. Step 4: Simplify right side
    19,619.47x = 332,374,444.33
  5. Step 5: Solve for x
    x = 332,374,444.33/19,619.47
  6. Step 6: Final answer
    x = 16,941.05

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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.