Home / 16,651.40-23,005.94-16,487.56

Finding the Fourth Proportional to 16,651.40, 23,005.94 and 16,487.56

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Solution

The fourth proportional to 16,651.40, 23,005.94 and 16,487.56 is: 22,779.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,651.40 : 23,005.94 = 16,487.56 : x
  2. Step 2: Convert to fraction form
    16,651.40/23,005.94 = 16,487.56/x
  3. Step 3: Cross multiply
    16,651.40x = 23,005.94 × 16,487.56
  4. Step 4: Simplify right side
    16,651.40x = 379,311,816.11
  5. Step 5: Solve for x
    x = 379,311,816.11/16,651.40
  6. Step 6: Final answer
    x = 22,779.58

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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.