Home / 19,522.96-26,940.03-11,455.78

Finding the Fourth Proportional to 19,522.96, 26,940.03 and 11,455.78

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Solution

The fourth proportional to 19,522.96, 26,940.03 and 11,455.78 is: 15,808.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,522.96 : 26,940.03 = 11,455.78 : x
  2. Step 2: Convert to fraction form
    19,522.96/26,940.03 = 11,455.78/x
  3. Step 3: Cross multiply
    19,522.96x = 26,940.03 × 11,455.78
  4. Step 4: Simplify right side
    19,522.96x = 308,618,997.08
  5. Step 5: Solve for x
    x = 308,618,997.08/19,522.96
  6. Step 6: Final answer
    x = 15,808.00

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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.