Home / 19,773.60-27,300.54-11,818.32

Finding the Fourth Proportional to 19,773.60, 27,300.54 and 11,818.32

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Solution

The fourth proportional to 19,773.60, 27,300.54 and 11,818.32 is: 16,317.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,773.60 : 27,300.54 = 11,818.32 : x
  2. Step 2: Convert to fraction form
    19,773.60/27,300.54 = 11,818.32/x
  3. Step 3: Cross multiply
    19,773.60x = 27,300.54 × 11,818.32
  4. Step 4: Simplify right side
    19,773.60x = 322,646,517.89
  5. Step 5: Solve for x
    x = 322,646,517.89/19,773.60
  6. Step 6: Final answer
    x = 16,317.03

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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.