Home / 19,403.89-26,762.60-14,625.29

Finding the Fourth Proportional to 19,403.89, 26,762.60 and 14,625.29

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Solution

The fourth proportional to 19,403.89, 26,762.60 and 14,625.29 is: 20,171.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.89 : 26,762.60 = 14,625.29 : x
  2. Step 2: Convert to fraction form
    19,403.89/26,762.60 = 14,625.29/x
  3. Step 3: Cross multiply
    19,403.89x = 26,762.60 × 14,625.29
  4. Step 4: Simplify right side
    19,403.89x = 391,410,889.62
  5. Step 5: Solve for x
    x = 391,410,889.62/19,403.89
  6. Step 6: Final answer
    x = 20,171.78

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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.