Home / 19,145.31-26,421.11-11,592.96

Finding the Fourth Proportional to 19,145.31, 26,421.11 and 11,592.96

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Solution

The fourth proportional to 19,145.31, 26,421.11 and 11,592.96 is: 15,998.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.31 : 26,421.11 = 11,592.96 : x
  2. Step 2: Convert to fraction form
    19,145.31/26,421.11 = 11,592.96/x
  3. Step 3: Cross multiply
    19,145.31x = 26,421.11 × 11,592.96
  4. Step 4: Simplify right side
    19,145.31x = 306,298,871.39
  5. Step 5: Solve for x
    x = 306,298,871.39/19,145.31
  6. Step 6: Final answer
    x = 15,998.64

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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.