Home / 26,173.91-39,240.21-13,019.11

Finding the Fourth Proportional to 26,173.91, 39,240.21 and 13,019.11

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Solution

The fourth proportional to 26,173.91, 39,240.21 and 13,019.11 is: 19,518.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,173.91 : 39,240.21 = 13,019.11 : x
  2. Step 2: Convert to fraction form
    26,173.91/39,240.21 = 13,019.11/x
  3. Step 3: Cross multiply
    26,173.91x = 39,240.21 × 13,019.11
  4. Step 4: Simplify right side
    26,173.91x = 510,872,610.41
  5. Step 5: Solve for x
    x = 510,872,610.41/26,173.91
  6. Step 6: Final answer
    x = 19,518.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.