Home / 17,145.36-23,661.27-10,071.72

Finding the Fourth Proportional to 17,145.36, 23,661.27 and 10,071.72

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Solution

The fourth proportional to 17,145.36, 23,661.27 and 10,071.72 is: 13,899.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,145.36 : 23,661.27 = 10,071.72 : x
  2. Step 2: Convert to fraction form
    17,145.36/23,661.27 = 10,071.72/x
  3. Step 3: Cross multiply
    17,145.36x = 23,661.27 × 10,071.72
  4. Step 4: Simplify right side
    17,145.36x = 238,309,686.28
  5. Step 5: Solve for x
    x = 238,309,686.28/17,145.36
  6. Step 6: Final answer
    x = 13,899.37

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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.