Home / 13,258.68-19,883.76-4,372.01

Finding the Fourth Proportional to 13,258.68, 19,883.76 and 4,372.01

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Solution

The fourth proportional to 13,258.68, 19,883.76 and 4,372.01 is: 6,556.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.68 : 19,883.76 = 4,372.01 : x
  2. Step 2: Convert to fraction form
    13,258.68/19,883.76 = 4,372.01/x
  3. Step 3: Cross multiply
    13,258.68x = 19,883.76 × 4,372.01
  4. Step 4: Simplify right side
    13,258.68x = 86,931,983.63
  5. Step 5: Solve for x
    x = 86,931,983.63/13,258.68
  6. Step 6: Final answer
    x = 6,556.61

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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.