Home / 19,396.26-26,739.72-16,400.07

Finding the Fourth Proportional to 19,396.26, 26,739.72 and 16,400.07

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Solution

The fourth proportional to 19,396.26, 26,739.72 and 16,400.07 is: 22,609.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.26 : 26,739.72 = 16,400.07 : x
  2. Step 2: Convert to fraction form
    19,396.26/26,739.72 = 16,400.07/x
  3. Step 3: Cross multiply
    19,396.26x = 26,739.72 × 16,400.07
  4. Step 4: Simplify right side
    19,396.26x = 438,533,279.78
  5. Step 5: Solve for x
    x = 438,533,279.78/19,396.26
  6. Step 6: Final answer
    x = 22,609.17

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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.