Home / 15,863.24-21,887.34-10,271

Finding the Fourth Proportional to 15,863.24, 21,887.34 and 10,271

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Solution

The fourth proportional to 15,863.24, 21,887.34 and 10,271 is: 14,171.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863.24 : 21,887.34 = 10,271 : x
  2. Step 2: Convert to fraction form
    15,863.24/21,887.34 = 10,271/x
  3. Step 3: Cross multiply
    15,863.24x = 21,887.34 × 10,271
  4. Step 4: Simplify right side
    15,863.24x = 224,804,869.14
  5. Step 5: Solve for x
    x = 224,804,869.14/15,863.24
  6. Step 6: Final answer
    x = 14,171.43

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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.