Home / 20,733.92-28,604.70-12,762.32

Finding the Fourth Proportional to 20,733.92, 28,604.70 and 12,762.32

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Solution

The fourth proportional to 20,733.92, 28,604.70 and 12,762.32 is: 17,607.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.92 : 28,604.70 = 12,762.32 : x
  2. Step 2: Convert to fraction form
    20,733.92/28,604.70 = 12,762.32/x
  3. Step 3: Cross multiply
    20,733.92x = 28,604.70 × 12,762.32
  4. Step 4: Simplify right side
    20,733.92x = 365,062,334.90
  5. Step 5: Solve for x
    x = 365,062,334.90/20,733.92
  6. Step 6: Final answer
    x = 17,607.01

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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.