Home / 13,992.51-19,301.19-8,954.96

Finding the Fourth Proportional to 13,992.51, 19,301.19 and 8,954.96

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Solution

The fourth proportional to 13,992.51, 19,301.19 and 8,954.96 is: 12,352.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.51 : 19,301.19 = 8,954.96 : x
  2. Step 2: Convert to fraction form
    13,992.51/19,301.19 = 8,954.96/x
  3. Step 3: Cross multiply
    13,992.51x = 19,301.19 × 8,954.96
  4. Step 4: Simplify right side
    13,992.51x = 172,841,254.32
  5. Step 5: Solve for x
    x = 172,841,254.32/13,992.51
  6. Step 6: Final answer
    x = 12,352.41

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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.