Home / 13,745.28-20,620.52-4,737.00

Finding the Fourth Proportional to 13,745.28, 20,620.52 and 4,737.00

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Solution

The fourth proportional to 13,745.28, 20,620.52 and 4,737.00 is: 7,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745.28 : 20,620.52 = 4,737.00 : x
  2. Step 2: Convert to fraction form
    13,745.28/20,620.52 = 4,737.00/x
  3. Step 3: Cross multiply
    13,745.28x = 20,620.52 × 4,737.00
  4. Step 4: Simplify right side
    13,745.28x = 97,679,385.30
  5. Step 5: Solve for x
    x = 97,679,385.30/13,745.28
  6. Step 6: Final answer
    x = 7,106.40

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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.