Home / 19,142.96-26,419.65-11,589.58

Finding the Fourth Proportional to 19,142.96, 26,419.65 and 11,589.58

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Solution

The fourth proportional to 19,142.96, 26,419.65 and 11,589.58 is: 15,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.96 : 26,419.65 = 11,589.58 : x
  2. Step 2: Convert to fraction form
    19,142.96/26,419.65 = 11,589.58/x
  3. Step 3: Cross multiply
    19,142.96x = 26,419.65 × 11,589.58
  4. Step 4: Simplify right side
    19,142.96x = 306,192,515.15
  5. Step 5: Solve for x
    x = 306,192,515.15/19,142.96
  6. Step 6: Final answer
    x = 15,995.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.