Home / 39,111.21-58,645.62-13,798.04

Finding the Fourth Proportional to 39,111.21, 58,645.62 and 13,798.04

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Solution

The fourth proportional to 39,111.21, 58,645.62 and 13,798.04 is: 20,689.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,111.21 : 58,645.62 = 13,798.04 : x
  2. Step 2: Convert to fraction form
    39,111.21/58,645.62 = 13,798.04/x
  3. Step 3: Cross multiply
    39,111.21x = 58,645.62 × 13,798.04
  4. Step 4: Simplify right side
    39,111.21x = 809,194,317.36
  5. Step 5: Solve for x
    x = 809,194,317.36/39,111.21
  6. Step 6: Final answer
    x = 20,689.58

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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.