Home / 19,859.96-27,408.92-11,362.86

Finding the Fourth Proportional to 19,859.96, 27,408.92 and 11,362.86

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Solution

The fourth proportional to 19,859.96, 27,408.92 and 11,362.86 is: 15,681.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.96 : 27,408.92 = 11,362.86 : x
  2. Step 2: Convert to fraction form
    19,859.96/27,408.92 = 11,362.86/x
  3. Step 3: Cross multiply
    19,859.96x = 27,408.92 × 11,362.86
  4. Step 4: Simplify right side
    19,859.96x = 311,443,720.71
  5. Step 5: Solve for x
    x = 311,443,720.71/19,859.96
  6. Step 6: Final answer
    x = 15,681.99

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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.