Home / 13,296.69-18,349.08-7,328.36

Finding the Fourth Proportional to 13,296.69, 18,349.08 and 7,328.36

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Solution

The fourth proportional to 13,296.69, 18,349.08 and 7,328.36 is: 10,112.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.69 : 18,349.08 = 7,328.36 : x
  2. Step 2: Convert to fraction form
    13,296.69/18,349.08 = 7,328.36/x
  3. Step 3: Cross multiply
    13,296.69x = 18,349.08 × 7,328.36
  4. Step 4: Simplify right side
    13,296.69x = 134,468,663.91
  5. Step 5: Solve for x
    x = 134,468,663.91/13,296.69
  6. Step 6: Final answer
    x = 10,112.94

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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.