Home / 15,072.98-20,818.26-12,058.56

Finding the Fourth Proportional to 15,072.98, 20,818.26 and 12,058.56

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Solution

The fourth proportional to 15,072.98, 20,818.26 and 12,058.56 is: 16,654.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,072.98 : 20,818.26 = 12,058.56 : x
  2. Step 2: Convert to fraction form
    15,072.98/20,818.26 = 12,058.56/x
  3. Step 3: Cross multiply
    15,072.98x = 20,818.26 × 12,058.56
  4. Step 4: Simplify right side
    15,072.98x = 251,038,237.31
  5. Step 5: Solve for x
    x = 251,038,237.31/15,072.98
  6. Step 6: Final answer
    x = 16,654.86

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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.