Home / 13,535.02-20,300.05-6,137.70

Finding the Fourth Proportional to 13,535.02, 20,300.05 and 6,137.70

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Solution

The fourth proportional to 13,535.02, 20,300.05 and 6,137.70 is: 9,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.02 : 20,300.05 = 6,137.70 : x
  2. Step 2: Convert to fraction form
    13,535.02/20,300.05 = 6,137.70/x
  3. Step 3: Cross multiply
    13,535.02x = 20,300.05 × 6,137.70
  4. Step 4: Simplify right side
    13,535.02x = 124,595,616.89
  5. Step 5: Solve for x
    x = 124,595,616.89/13,535.02
  6. Step 6: Final answer
    x = 9,205.43

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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.