Home / 38,953.98-58,418.82-12,653.28

Finding the Fourth Proportional to 38,953.98, 58,418.82 and 12,653.28

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Solution

The fourth proportional to 38,953.98, 58,418.82 and 12,653.28 is: 18,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,953.98 : 58,418.82 = 12,653.28 : x
  2. Step 2: Convert to fraction form
    38,953.98/58,418.82 = 12,653.28/x
  3. Step 3: Cross multiply
    38,953.98x = 58,418.82 × 12,653.28
  4. Step 4: Simplify right side
    38,953.98x = 739,189,686.73
  5. Step 5: Solve for x
    x = 739,189,686.73/38,953.98
  6. Step 6: Final answer
    x = 18,975.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.