Home / 18,994.24-26,201.09-11,435.32

Finding the Fourth Proportional to 18,994.24, 26,201.09 and 11,435.32

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Solution

The fourth proportional to 18,994.24, 26,201.09 and 11,435.32 is: 15,774.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,994.24 : 26,201.09 = 11,435.32 : x
  2. Step 2: Convert to fraction form
    18,994.24/26,201.09 = 11,435.32/x
  3. Step 3: Cross multiply
    18,994.24x = 26,201.09 × 11,435.32
  4. Step 4: Simplify right side
    18,994.24x = 299,617,848.50
  5. Step 5: Solve for x
    x = 299,617,848.50/18,994.24
  6. Step 6: Final answer
    x = 15,774.14

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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.