Home / 19,202.55-26,486.55-16,680.26

Finding the Fourth Proportional to 19,202.55, 26,486.55 and 16,680.26

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Solution

The fourth proportional to 19,202.55, 26,486.55 and 16,680.26 is: 23,007.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202.55 : 26,486.55 = 16,680.26 : x
  2. Step 2: Convert to fraction form
    19,202.55/26,486.55 = 16,680.26/x
  3. Step 3: Cross multiply
    19,202.55x = 26,486.55 × 16,680.26
  4. Step 4: Simplify right side
    19,202.55x = 441,802,606.72
  5. Step 5: Solve for x
    x = 441,802,606.72/19,202.55
  6. Step 6: Final answer
    x = 23,007.50

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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.