Home / 14,938.31-20,595.72-12,239.58

Finding the Fourth Proportional to 14,938.31, 20,595.72 and 12,239.58

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Solution

The fourth proportional to 14,938.31, 20,595.72 and 12,239.58 is: 16,874.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,938.31 : 20,595.72 = 12,239.58 : x
  2. Step 2: Convert to fraction form
    14,938.31/20,595.72 = 12,239.58/x
  3. Step 3: Cross multiply
    14,938.31x = 20,595.72 × 12,239.58
  4. Step 4: Simplify right side
    14,938.31x = 252,082,993.93
  5. Step 5: Solve for x
    x = 252,082,993.93/14,938.31
  6. Step 6: Final answer
    x = 16,874.94

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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.