Home / 34,630.15-47,789.60-18,714.59

Finding the Fourth Proportional to 34,630.15, 47,789.60 and 18,714.59

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Solution

The fourth proportional to 34,630.15, 47,789.60 and 18,714.59 is: 25,826.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,630.15 : 47,789.60 = 18,714.59 : x
  2. Step 2: Convert to fraction form
    34,630.15/47,789.60 = 18,714.59/x
  3. Step 3: Cross multiply
    34,630.15x = 47,789.60 × 18,714.59
  4. Step 4: Simplify right side
    34,630.15x = 894,362,885.77
  5. Step 5: Solve for x
    x = 894,362,885.77/34,630.15
  6. Step 6: Final answer
    x = 25,826.13

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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.