Home / 19,010.08-26,242.41-12,647.94

Finding the Fourth Proportional to 19,010.08, 26,242.41 and 12,647.94

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Solution

The fourth proportional to 19,010.08, 26,242.41 and 12,647.94 is: 17,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.08 : 26,242.41 = 12,647.94 : x
  2. Step 2: Convert to fraction form
    19,010.08/26,242.41 = 12,647.94/x
  3. Step 3: Cross multiply
    19,010.08x = 26,242.41 × 12,647.94
  4. Step 4: Simplify right side
    19,010.08x = 331,912,427.14
  5. Step 5: Solve for x
    x = 331,912,427.14/19,010.08
  6. Step 6: Final answer
    x = 17,459.81

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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.