Home / 13,296.05-19,948.59-8,359.91

Finding the Fourth Proportional to 13,296.05, 19,948.59 and 8,359.91

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Solution

The fourth proportional to 13,296.05, 19,948.59 and 8,359.91 is: 12,542.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.05 : 19,948.59 = 8,359.91 : x
  2. Step 2: Convert to fraction form
    13,296.05/19,948.59 = 8,359.91/x
  3. Step 3: Cross multiply
    13,296.05x = 19,948.59 × 8,359.91
  4. Step 4: Simplify right side
    13,296.05x = 166,768,317.28
  5. Step 5: Solve for x
    x = 166,768,317.28/13,296.05
  6. Step 6: Final answer
    x = 12,542.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.