Home / 39,708.06-59,573.04-13,431.26

Finding the Fourth Proportional to 39,708.06, 59,573.04 and 13,431.26

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Solution

The fourth proportional to 39,708.06, 59,573.04 and 13,431.26 is: 20,150.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,708.06 : 59,573.04 = 13,431.26 : x
  2. Step 2: Convert to fraction form
    39,708.06/59,573.04 = 13,431.26/x
  3. Step 3: Cross multiply
    39,708.06x = 59,573.04 × 13,431.26
  4. Step 4: Simplify right side
    39,708.06x = 800,140,989.23
  5. Step 5: Solve for x
    x = 800,140,989.23/39,708.06
  6. Step 6: Final answer
    x = 20,150.59

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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.