Home / 16,749.93-23,115-9,196.59

Finding the Fourth Proportional to 16,749.93, 23,115 and 9,196.59

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Solution

The fourth proportional to 16,749.93, 23,115 and 9,196.59 is: 12,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,749.93 : 23,115 = 9,196.59 : x
  2. Step 2: Convert to fraction form
    16,749.93/23,115 = 9,196.59/x
  3. Step 3: Cross multiply
    16,749.93x = 23,115 × 9,196.59
  4. Step 4: Simplify right side
    16,749.93x = 212,579,177.85
  5. Step 5: Solve for x
    x = 212,579,177.85/16,749.93
  6. Step 6: Final answer
    x = 12,691.35

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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.