Home / 16,745.28-23,108.64-9,671.04

Finding the Fourth Proportional to 16,745.28, 23,108.64 and 9,671.04

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Solution

The fourth proportional to 16,745.28, 23,108.64 and 9,671.04 is: 13,346.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,745.28 : 23,108.64 = 9,671.04 : x
  2. Step 2: Convert to fraction form
    16,745.28/23,108.64 = 9,671.04/x
  3. Step 3: Cross multiply
    16,745.28x = 23,108.64 × 9,671.04
  4. Step 4: Simplify right side
    16,745.28x = 223,484,581.79
  5. Step 5: Solve for x
    x = 223,484,581.79/16,745.28
  6. Step 6: Final answer
    x = 13,346.12

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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.