Home / 13,925.76-20,891.52-4,692.48

Finding the Fourth Proportional to 13,925.76, 20,891.52 and 4,692.48

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Solution

The fourth proportional to 13,925.76, 20,891.52 and 4,692.48 is: 7,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.76 : 20,891.52 = 4,692.48 : x
  2. Step 2: Convert to fraction form
    13,925.76/20,891.52 = 4,692.48/x
  3. Step 3: Cross multiply
    13,925.76x = 20,891.52 × 4,692.48
  4. Step 4: Simplify right side
    13,925.76x = 98,033,039.77
  5. Step 5: Solve for x
    x = 98,033,039.77/13,925.76
  6. Step 6: Final answer
    x = 7,039.69

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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.