Home / 20,188.93-27,862.24-11,693.35

Finding the Fourth Proportional to 20,188.93, 27,862.24 and 11,693.35

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Solution

The fourth proportional to 20,188.93, 27,862.24 and 11,693.35 is: 16,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188.93 : 27,862.24 = 11,693.35 : x
  2. Step 2: Convert to fraction form
    20,188.93/27,862.24 = 11,693.35/x
  3. Step 3: Cross multiply
    20,188.93x = 27,862.24 × 11,693.35
  4. Step 4: Simplify right side
    20,188.93x = 325,802,924.10
  5. Step 5: Solve for x
    x = 325,802,924.10/20,188.93
  6. Step 6: Final answer
    x = 16,137.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.