Home / 19,894.83-27,445.64-11,923.22

Finding the Fourth Proportional to 19,894.83, 27,445.64 and 11,923.22

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Solution

The fourth proportional to 19,894.83, 27,445.64 and 11,923.22 is: 16,448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.83 : 27,445.64 = 11,923.22 : x
  2. Step 2: Convert to fraction form
    19,894.83/27,445.64 = 11,923.22/x
  3. Step 3: Cross multiply
    19,894.83x = 27,445.64 × 11,923.22
  4. Step 4: Simplify right side
    19,894.83x = 327,240,206.92
  5. Step 5: Solve for x
    x = 327,240,206.92/19,894.83
  6. Step 6: Final answer
    x = 16,448.50

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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.