Home / 13,926.87-20,898.36-5,607.63

Finding the Fourth Proportional to 13,926.87, 20,898.36 and 5,607.63

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Solution

The fourth proportional to 13,926.87, 20,898.36 and 5,607.63 is: 8,414.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.87 : 20,898.36 = 5,607.63 : x
  2. Step 2: Convert to fraction form
    13,926.87/20,898.36 = 5,607.63/x
  3. Step 3: Cross multiply
    13,926.87x = 20,898.36 × 5,607.63
  4. Step 4: Simplify right side
    13,926.87x = 117,190,270.49
  5. Step 5: Solve for x
    x = 117,190,270.49/13,926.87
  6. Step 6: Final answer
    x = 8,414.69

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1.5x scale

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.