Home / 14,535.78-20,065.50-9,826.44

Finding the Fourth Proportional to 14,535.78, 20,065.50 and 9,826.44

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Solution

The fourth proportional to 14,535.78, 20,065.50 and 9,826.44 is: 13,564.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,535.78 : 20,065.50 = 9,826.44 : x
  2. Step 2: Convert to fraction form
    14,535.78/20,065.50 = 9,826.44/x
  3. Step 3: Cross multiply
    14,535.78x = 20,065.50 × 9,826.44
  4. Step 4: Simplify right side
    14,535.78x = 197,172,431.82
  5. Step 5: Solve for x
    x = 197,172,431.82/14,535.78
  6. Step 6: Final answer
    x = 13,564.63

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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.