Home / 19,977.12-27,559.71-12,014.82

Finding the Fourth Proportional to 19,977.12, 27,559.71 and 12,014.82

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Solution

The fourth proportional to 19,977.12, 27,559.71 and 12,014.82 is: 16,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977.12 : 27,559.71 = 12,014.82 : x
  2. Step 2: Convert to fraction form
    19,977.12/27,559.71 = 12,014.82/x
  3. Step 3: Cross multiply
    19,977.12x = 27,559.71 × 12,014.82
  4. Step 4: Simplify right side
    19,977.12x = 331,124,954.90
  5. Step 5: Solve for x
    x = 331,124,954.90/19,977.12
  6. Step 6: Final answer
    x = 16,575.21

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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.