Home / 19,826.78-29,708.61-10,466.46

Finding the Fourth Proportional to 19,826.78, 29,708.61 and 10,466.46

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Solution

The fourth proportional to 19,826.78, 29,708.61 and 10,466.46 is: 15,683.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.78 : 29,708.61 = 10,466.46 : x
  2. Step 2: Convert to fraction form
    19,826.78/29,708.61 = 10,466.46/x
  3. Step 3: Cross multiply
    19,826.78x = 29,708.61 × 10,466.46
  4. Step 4: Simplify right side
    19,826.78x = 310,943,978.22
  5. Step 5: Solve for x
    x = 310,943,978.22/19,826.78
  6. Step 6: Final answer
    x = 15,683.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.