Home / 19,219.75-26,518.73-11,665.89

Finding the Fourth Proportional to 19,219.75, 26,518.73 and 11,665.89

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Solution

The fourth proportional to 19,219.75, 26,518.73 and 11,665.89 is: 16,096.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.75 : 26,518.73 = 11,665.89 : x
  2. Step 2: Convert to fraction form
    19,219.75/26,518.73 = 11,665.89/x
  3. Step 3: Cross multiply
    19,219.75x = 26,518.73 × 11,665.89
  4. Step 4: Simplify right side
    19,219.75x = 309,364,528.79
  5. Step 5: Solve for x
    x = 309,364,528.79/19,219.75
  6. Step 6: Final answer
    x = 16,096.18

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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.