Home / 19,858.63-27,404.80-10,783.91

Finding the Fourth Proportional to 19,858.63, 27,404.80 and 10,783.91

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Solution

The fourth proportional to 19,858.63, 27,404.80 and 10,783.91 is: 14,881.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858.63 : 27,404.80 = 10,783.91 : x
  2. Step 2: Convert to fraction form
    19,858.63/27,404.80 = 10,783.91/x
  3. Step 3: Cross multiply
    19,858.63x = 27,404.80 × 10,783.91
  4. Step 4: Simplify right side
    19,858.63x = 295,530,759.74
  5. Step 5: Solve for x
    x = 295,530,759.74/19,858.63
  6. Step 6: Final answer
    x = 14,881.73

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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.