Home / 19,411.86-26,788.23-11,028.36

Finding the Fourth Proportional to 19,411.86, 26,788.23 and 11,028.36

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Solution

The fourth proportional to 19,411.86, 26,788.23 and 11,028.36 is: 15,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.86 : 26,788.23 = 11,028.36 : x
  2. Step 2: Convert to fraction form
    19,411.86/26,788.23 = 11,028.36/x
  3. Step 3: Cross multiply
    19,411.86x = 26,788.23 × 11,028.36
  4. Step 4: Simplify right side
    19,411.86x = 295,430,055.12
  5. Step 5: Solve for x
    x = 295,430,055.12/19,411.86
  6. Step 6: Final answer
    x = 15,219.05

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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.