Home / 35,659.20-53,480.19-11,967.60

Finding the Fourth Proportional to 35,659.20, 53,480.19 and 11,967.60

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Solution

The fourth proportional to 35,659.20, 53,480.19 and 11,967.60 is: 17,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,659.20 : 53,480.19 = 11,967.60 : x
  2. Step 2: Convert to fraction form
    35,659.20/53,480.19 = 11,967.60/x
  3. Step 3: Cross multiply
    35,659.20x = 53,480.19 × 11,967.60
  4. Step 4: Simplify right side
    35,659.20x = 640,029,521.84
  5. Step 5: Solve for x
    x = 640,029,521.84/35,659.20
  6. Step 6: Final answer
    x = 17,948.51

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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.