Home / 16,845.10-23,246.05-9,291.75

Finding the Fourth Proportional to 16,845.10, 23,246.05 and 9,291.75

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Solution

The fourth proportional to 16,845.10, 23,246.05 and 9,291.75 is: 12,822.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,845.10 : 23,246.05 = 9,291.75 : x
  2. Step 2: Convert to fraction form
    16,845.10/23,246.05 = 9,291.75/x
  3. Step 3: Cross multiply
    16,845.10x = 23,246.05 × 9,291.75
  4. Step 4: Simplify right side
    16,845.10x = 215,996,374.69
  5. Step 5: Solve for x
    x = 215,996,374.69/16,845.10
  6. Step 6: Final answer
    x = 12,822.51

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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.