Home / 19,158.84-26,430.62-11,197.55

Finding the Fourth Proportional to 19,158.84, 26,430.62 and 11,197.55

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Solution

The fourth proportional to 19,158.84, 26,430.62 and 11,197.55 is: 15,447.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.84 : 26,430.62 = 11,197.55 : x
  2. Step 2: Convert to fraction form
    19,158.84/26,430.62 = 11,197.55/x
  3. Step 3: Cross multiply
    19,158.84x = 26,430.62 × 11,197.55
  4. Step 4: Simplify right side
    19,158.84x = 295,958,283.05
  5. Step 5: Solve for x
    x = 295,958,283.05/19,158.84
  6. Step 6: Final answer
    x = 15,447.61

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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.