Home / 39,794.09-59,692.04-13,131.52

Finding the Fourth Proportional to 39,794.09, 59,692.04 and 13,131.52

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Solution

The fourth proportional to 39,794.09, 59,692.04 and 13,131.52 is: 19,697.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,794.09 : 59,692.04 = 13,131.52 : x
  2. Step 2: Convert to fraction form
    39,794.09/59,692.04 = 13,131.52/x
  3. Step 3: Cross multiply
    39,794.09x = 59,692.04 × 13,131.52
  4. Step 4: Simplify right side
    39,794.09x = 783,847,051.46
  5. Step 5: Solve for x
    x = 783,847,051.46/39,794.09
  6. Step 6: Final answer
    x = 19,697.58

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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.