Home / 18,069.36-24,959.55-13,872.29

Finding the Fourth Proportional to 18,069.36, 24,959.55 and 13,872.29

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Solution

The fourth proportional to 18,069.36, 24,959.55 and 13,872.29 is: 19,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.36 : 24,959.55 = 13,872.29 : x
  2. Step 2: Convert to fraction form
    18,069.36/24,959.55 = 13,872.29/x
  3. Step 3: Cross multiply
    18,069.36x = 24,959.55 × 13,872.29
  4. Step 4: Simplify right side
    18,069.36x = 346,245,991.07
  5. Step 5: Solve for x
    x = 346,245,991.07/18,069.36
  6. Step 6: Final answer
    x = 19,162.05

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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.