Home / 38,853.96-58,276.08-12,555.96

Finding the Fourth Proportional to 38,853.96, 58,276.08 and 12,555.96

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Solution

The fourth proportional to 38,853.96, 58,276.08 and 12,555.96 is: 18,832.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,853.96 : 58,276.08 = 12,555.96 : x
  2. Step 2: Convert to fraction form
    38,853.96/58,276.08 = 12,555.96/x
  3. Step 3: Cross multiply
    38,853.96x = 58,276.08 × 12,555.96
  4. Step 4: Simplify right side
    38,853.96x = 731,712,129.44
  5. Step 5: Solve for x
    x = 731,712,129.44/38,853.96
  6. Step 6: Final answer
    x = 18,832.37

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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.