Home / 16,671.36-23,005.44-9,219.52

Finding the Fourth Proportional to 16,671.36, 23,005.44 and 9,219.52

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Solution

The fourth proportional to 16,671.36, 23,005.44 and 9,219.52 is: 12,722.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,671.36 : 23,005.44 = 9,219.52 : x
  2. Step 2: Convert to fraction form
    16,671.36/23,005.44 = 9,219.52/x
  3. Step 3: Cross multiply
    16,671.36x = 23,005.44 × 9,219.52
  4. Step 4: Simplify right side
    16,671.36x = 212,099,114.19
  5. Step 5: Solve for x
    x = 212,099,114.19/16,671.36
  6. Step 6: Final answer
    x = 12,722.36

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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.