Home / 19,188.44-26,493.10-12,021.32

Finding the Fourth Proportional to 19,188.44, 26,493.10 and 12,021.32

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Solution

The fourth proportional to 19,188.44, 26,493.10 and 12,021.32 is: 16,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.44 : 26,493.10 = 12,021.32 : x
  2. Step 2: Convert to fraction form
    19,188.44/26,493.10 = 12,021.32/x
  3. Step 3: Cross multiply
    19,188.44x = 26,493.10 × 12,021.32
  4. Step 4: Simplify right side
    19,188.44x = 318,482,032.89
  5. Step 5: Solve for x
    x = 318,482,032.89/19,188.44
  6. Step 6: Final answer
    x = 16,597.60

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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.