Home / 38,714.56-58,066.37-12,415.88

Finding the Fourth Proportional to 38,714.56, 58,066.37 and 12,415.88

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Solution

The fourth proportional to 38,714.56, 58,066.37 and 12,415.88 is: 18,622.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,714.56 : 58,066.37 = 12,415.88 : x
  2. Step 2: Convert to fraction form
    38,714.56/58,066.37 = 12,415.88/x
  3. Step 3: Cross multiply
    38,714.56x = 58,066.37 × 12,415.88
  4. Step 4: Simplify right side
    38,714.56x = 720,945,211.60
  5. Step 5: Solve for x
    x = 720,945,211.60/38,714.56
  6. Step 6: Final answer
    x = 18,622.07

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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.