Home / 14,774.15-20,395.85-11,409.41

Finding the Fourth Proportional to 14,774.15, 20,395.85 and 11,409.41

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Solution

The fourth proportional to 14,774.15, 20,395.85 and 11,409.41 is: 15,750.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,774.15 : 20,395.85 = 11,409.41 : x
  2. Step 2: Convert to fraction form
    14,774.15/20,395.85 = 11,409.41/x
  3. Step 3: Cross multiply
    14,774.15x = 20,395.85 × 11,409.41
  4. Step 4: Simplify right side
    14,774.15x = 232,704,455.92
  5. Step 5: Solve for x
    x = 232,704,455.92/14,774.15
  6. Step 6: Final answer
    x = 15,750.79

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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.