Home / 12,926.53-19,389.39-3,692.53

Finding the Fourth Proportional to 12,926.53, 19,389.39 and 3,692.53

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Solution

The fourth proportional to 12,926.53, 19,389.39 and 3,692.53 is: 5,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.53 : 19,389.39 = 3,692.53 : x
  2. Step 2: Convert to fraction form
    12,926.53/19,389.39 = 3,692.53/x
  3. Step 3: Cross multiply
    12,926.53x = 19,389.39 × 3,692.53
  4. Step 4: Simplify right side
    12,926.53x = 71,595,904.26
  5. Step 5: Solve for x
    x = 71,595,904.26/12,926.53
  6. Step 6: Final answer
    x = 5,538.68

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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.