Home / 20,041.44-27,669.74-12,874.25

Finding the Fourth Proportional to 20,041.44, 27,669.74 and 12,874.25

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Solution

The fourth proportional to 20,041.44, 27,669.74 and 12,874.25 is: 17,774.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.44 : 27,669.74 = 12,874.25 : x
  2. Step 2: Convert to fraction form
    20,041.44/27,669.74 = 12,874.25/x
  3. Step 3: Cross multiply
    20,041.44x = 27,669.74 × 12,874.25
  4. Step 4: Simplify right side
    20,041.44x = 356,226,947.48
  5. Step 5: Solve for x
    x = 356,226,947.48/20,041.44
  6. Step 6: Final answer
    x = 17,774.52

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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.