Home / 19,171.64-26,450.01-11,100.89

Finding the Fourth Proportional to 19,171.64, 26,450.01 and 11,100.89

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Solution

The fourth proportional to 19,171.64, 26,450.01 and 11,100.89 is: 15,315.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.64 : 26,450.01 = 11,100.89 : x
  2. Step 2: Convert to fraction form
    19,171.64/26,450.01 = 11,100.89/x
  3. Step 3: Cross multiply
    19,171.64x = 26,450.01 × 11,100.89
  4. Step 4: Simplify right side
    19,171.64x = 293,618,697.88
  5. Step 5: Solve for x
    x = 293,618,697.88/19,171.64
  6. Step 6: Final answer
    x = 15,315.26

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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.