Home / 17,961.12-26,878.32-15,526.56

Finding the Fourth Proportional to 17,961.12, 26,878.32 and 15,526.56

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Solution

The fourth proportional to 17,961.12, 26,878.32 and 15,526.56 is: 23,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961.12 : 26,878.32 = 15,526.56 : x
  2. Step 2: Convert to fraction form
    17,961.12/26,878.32 = 15,526.56/x
  3. Step 3: Cross multiply
    17,961.12x = 26,878.32 × 15,526.56
  4. Step 4: Simplify right side
    17,961.12x = 417,327,848.18
  5. Step 5: Solve for x
    x = 417,327,848.18/17,961.12
  6. Step 6: Final answer
    x = 23,235.07

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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.