Home / 19,043.78-26,272.27-11,485.81

Finding the Fourth Proportional to 19,043.78, 26,272.27 and 11,485.81

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Solution

The fourth proportional to 19,043.78, 26,272.27 and 11,485.81 is: 15,845.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.78 : 26,272.27 = 11,485.81 : x
  2. Step 2: Convert to fraction form
    19,043.78/26,272.27 = 11,485.81/x
  3. Step 3: Cross multiply
    19,043.78x = 26,272.27 × 11,485.81
  4. Step 4: Simplify right side
    19,043.78x = 301,758,301.49
  5. Step 5: Solve for x
    x = 301,758,301.49/19,043.78
  6. Step 6: Final answer
    x = 15,845.50

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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.