Home / 16,128.90-22,256.62-9,053.94

Finding the Fourth Proportional to 16,128.90, 22,256.62 and 9,053.94

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Solution

The fourth proportional to 16,128.90, 22,256.62 and 9,053.94 is: 12,493.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.90 : 22,256.62 = 9,053.94 : x
  2. Step 2: Convert to fraction form
    16,128.90/22,256.62 = 9,053.94/x
  3. Step 3: Cross multiply
    16,128.90x = 22,256.62 × 9,053.94
  4. Step 4: Simplify right side
    16,128.90x = 201,510,102.08
  5. Step 5: Solve for x
    x = 201,510,102.08/16,128.90
  6. Step 6: Final answer
    x = 12,493.73

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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.