Home / 39,415.36-59,110.08-13,113.04

Finding the Fourth Proportional to 39,415.36, 59,110.08 and 13,113.04

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Solution

The fourth proportional to 39,415.36, 59,110.08 and 13,113.04 is: 19,665.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,415.36 : 59,110.08 = 13,113.04 : x
  2. Step 2: Convert to fraction form
    39,415.36/59,110.08 = 13,113.04/x
  3. Step 3: Cross multiply
    39,415.36x = 59,110.08 × 13,113.04
  4. Step 4: Simplify right side
    39,415.36x = 775,112,843.44
  5. Step 5: Solve for x
    x = 775,112,843.44/39,415.36
  6. Step 6: Final answer
    x = 19,665.25

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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.