Home / 19,243.71-26,560.74-11,288.49

Finding the Fourth Proportional to 19,243.71, 26,560.74 and 11,288.49

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Solution

The fourth proportional to 19,243.71, 26,560.74 and 11,288.49 is: 15,580.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,243.71 : 26,560.74 = 11,288.49 : x
  2. Step 2: Convert to fraction form
    19,243.71/26,560.74 = 11,288.49/x
  3. Step 3: Cross multiply
    19,243.71x = 26,560.74 × 11,288.49
  4. Step 4: Simplify right side
    19,243.71x = 299,830,647.88
  5. Step 5: Solve for x
    x = 299,830,647.88/19,243.71
  6. Step 6: Final answer
    x = 15,580.71

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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.