Home / 20,973.08-28,942.35-12,025.82

Finding the Fourth Proportional to 20,973.08, 28,942.35 and 12,025.82

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Solution

The fourth proportional to 20,973.08, 28,942.35 and 12,025.82 is: 16,595.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,973.08 : 28,942.35 = 12,025.82 : x
  2. Step 2: Convert to fraction form
    20,973.08/28,942.35 = 12,025.82/x
  3. Step 3: Cross multiply
    20,973.08x = 28,942.35 × 12,025.82
  4. Step 4: Simplify right side
    20,973.08x = 348,055,491.48
  5. Step 5: Solve for x
    x = 348,055,491.48/20,973.08
  6. Step 6: Final answer
    x = 16,595.34

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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.