Home / 20,746.51-28,625.26-11,793.31

Finding the Fourth Proportional to 20,746.51, 28,625.26 and 11,793.31

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Solution

The fourth proportional to 20,746.51, 28,625.26 and 11,793.31 is: 16,271.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746.51 : 28,625.26 = 11,793.31 : x
  2. Step 2: Convert to fraction form
    20,746.51/28,625.26 = 11,793.31/x
  3. Step 3: Cross multiply
    20,746.51x = 28,625.26 × 11,793.31
  4. Step 4: Simplify right side
    20,746.51x = 337,586,421.88
  5. Step 5: Solve for x
    x = 337,586,421.88/20,746.51
  6. Step 6: Final answer
    x = 16,271.96

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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.