Home / 13,500.63-20,255.81-4,736.91

Finding the Fourth Proportional to 13,500.63, 20,255.81 and 4,736.91

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Solution

The fourth proportional to 13,500.63, 20,255.81 and 4,736.91 is: 7,107.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.63 : 20,255.81 = 4,736.91 : x
  2. Step 2: Convert to fraction form
    13,500.63/20,255.81 = 4,736.91/x
  3. Step 3: Cross multiply
    13,500.63x = 20,255.81 × 4,736.91
  4. Step 4: Simplify right side
    13,500.63x = 95,949,925.26
  5. Step 5: Solve for x
    x = 95,949,925.26/13,500.63
  6. Step 6: Final answer
    x = 7,107.07

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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.