Home / 19,112.59-26,375.40-10,729.09

Finding the Fourth Proportional to 19,112.59, 26,375.40 and 10,729.09

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Solution

The fourth proportional to 19,112.59, 26,375.40 and 10,729.09 is: 14,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.59 : 26,375.40 = 10,729.09 : x
  2. Step 2: Convert to fraction form
    19,112.59/26,375.40 = 10,729.09/x
  3. Step 3: Cross multiply
    19,112.59x = 26,375.40 × 10,729.09
  4. Step 4: Simplify right side
    19,112.59x = 282,984,040.39
  5. Step 5: Solve for x
    x = 282,984,040.39/19,112.59
  6. Step 6: Final answer
    x = 14,806.16

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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.