Home / 13,266.92-18,308.07-7,298.48

Finding the Fourth Proportional to 13,266.92, 18,308.07 and 7,298.48

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Solution

The fourth proportional to 13,266.92, 18,308.07 and 7,298.48 is: 10,071.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.92 : 18,308.07 = 7,298.48 : x
  2. Step 2: Convert to fraction form
    13,266.92/18,308.07 = 7,298.48/x
  3. Step 3: Cross multiply
    13,266.92x = 18,308.07 × 7,298.48
  4. Step 4: Simplify right side
    13,266.92x = 133,621,082.73
  5. Step 5: Solve for x
    x = 133,621,082.73/13,266.92
  6. Step 6: Final answer
    x = 10,071.75

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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.