Home / 20,526.92-28,327.31-12,029.28

Finding the Fourth Proportional to 20,526.92, 28,327.31 and 12,029.28

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Solution

The fourth proportional to 20,526.92, 28,327.31 and 12,029.28 is: 16,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.92 : 28,327.31 = 12,029.28 : x
  2. Step 2: Convert to fraction form
    20,526.92/28,327.31 = 12,029.28/x
  3. Step 3: Cross multiply
    20,526.92x = 28,327.31 × 12,029.28
  4. Step 4: Simplify right side
    20,526.92x = 340,757,083.49
  5. Step 5: Solve for x
    x = 340,757,083.49/20,526.92
  6. Step 6: Final answer
    x = 16,600.50

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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.