Home / 19,365.41-26,724.40-12,647.07

Finding the Fourth Proportional to 19,365.41, 26,724.40 and 12,647.07

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Solution

The fourth proportional to 19,365.41, 26,724.40 and 12,647.07 is: 17,453.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.41 : 26,724.40 = 12,647.07 : x
  2. Step 2: Convert to fraction form
    19,365.41/26,724.40 = 12,647.07/x
  3. Step 3: Cross multiply
    19,365.41x = 26,724.40 × 12,647.07
  4. Step 4: Simplify right side
    19,365.41x = 337,985,325.89
  5. Step 5: Solve for x
    x = 337,985,325.89/19,365.41
  6. Step 6: Final answer
    x = 17,453.04

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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.