Home / 19,400.10-26,771.43-11,859.06

Finding the Fourth Proportional to 19,400.10, 26,771.43 and 11,859.06

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Solution

The fourth proportional to 19,400.10, 26,771.43 and 11,859.06 is: 16,365.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.10 : 26,771.43 = 11,859.06 : x
  2. Step 2: Convert to fraction form
    19,400.10/26,771.43 = 11,859.06/x
  3. Step 3: Cross multiply
    19,400.10x = 26,771.43 × 11,859.06
  4. Step 4: Simplify right side
    19,400.10x = 317,483,994.66
  5. Step 5: Solve for x
    x = 317,483,994.66/19,400.10
  6. Step 6: Final answer
    x = 16,365.07

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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.