Home / 19,486.98-26,885.66-11,925.43

Finding the Fourth Proportional to 19,486.98, 26,885.66 and 11,925.43

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Solution

The fourth proportional to 19,486.98, 26,885.66 and 11,925.43 is: 16,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.98 : 26,885.66 = 11,925.43 : x
  2. Step 2: Convert to fraction form
    19,486.98/26,885.66 = 11,925.43/x
  3. Step 3: Cross multiply
    19,486.98x = 26,885.66 × 11,925.43
  4. Step 4: Simplify right side
    19,486.98x = 320,623,086.15
  5. Step 5: Solve for x
    x = 320,623,086.15/19,486.98
  6. Step 6: Final answer
    x = 16,453.19

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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.