Home / 13,296.70-18,349.57-7,328.59

Finding the Fourth Proportional to 13,296.70, 18,349.57 and 7,328.59

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Solution

The fourth proportional to 13,296.70, 18,349.57 and 7,328.59 is: 10,113.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.70 : 18,349.57 = 7,328.59 : x
  2. Step 2: Convert to fraction form
    13,296.70/18,349.57 = 7,328.59/x
  3. Step 3: Cross multiply
    13,296.70x = 18,349.57 × 7,328.59
  4. Step 4: Simplify right side
    13,296.70x = 134,476,383.46
  5. Step 5: Solve for x
    x = 134,476,383.46/13,296.70
  6. Step 6: Final answer
    x = 10,113.52

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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.