Home / 13,746.03-20,621.65-4,737.75

Finding the Fourth Proportional to 13,746.03, 20,621.65 and 4,737.75

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Solution

The fourth proportional to 13,746.03, 20,621.65 and 4,737.75 is: 7,107.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.03 : 20,621.65 = 4,737.75 : x
  2. Step 2: Convert to fraction form
    13,746.03/20,621.65 = 4,737.75/x
  3. Step 3: Cross multiply
    13,746.03x = 20,621.65 × 4,737.75
  4. Step 4: Simplify right side
    13,746.03x = 97,700,210.44
  5. Step 5: Solve for x
    x = 97,700,210.44/13,746.03
  6. Step 6: Final answer
    x = 7,107.52

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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.