Home / 17,317.20-23,869.68-13,533.76

Finding the Fourth Proportional to 17,317.20, 23,869.68 and 13,533.76

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Solution

The fourth proportional to 17,317.20, 23,869.68 and 13,533.76 is: 18,654.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,317.20 : 23,869.68 = 13,533.76 : x
  2. Step 2: Convert to fraction form
    17,317.20/23,869.68 = 13,533.76/x
  3. Step 3: Cross multiply
    17,317.20x = 23,869.68 × 13,533.76
  4. Step 4: Simplify right side
    17,317.20x = 323,046,520.40
  5. Step 5: Solve for x
    x = 323,046,520.40/17,317.20
  6. Step 6: Final answer
    x = 18,654.66

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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.