Home / 39,747.09-59,620.95-11,667.60

Finding the Fourth Proportional to 39,747.09, 59,620.95 and 11,667.60

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Solution

The fourth proportional to 39,747.09, 59,620.95 and 11,667.60 is: 17,501.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,747.09 : 59,620.95 = 11,667.60 : x
  2. Step 2: Convert to fraction form
    39,747.09/59,620.95 = 11,667.60/x
  3. Step 3: Cross multiply
    39,747.09x = 59,620.95 × 11,667.60
  4. Step 4: Simplify right side
    39,747.09x = 695,633,396.22
  5. Step 5: Solve for x
    x = 695,633,396.22/39,747.09
  6. Step 6: Final answer
    x = 17,501.49

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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.