Home / 23,135.66-34,714.08-12,589.88

Finding the Fourth Proportional to 23,135.66, 34,714.08 and 12,589.88

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Solution

The fourth proportional to 23,135.66, 34,714.08 and 12,589.88 is: 18,890.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.66 : 34,714.08 = 12,589.88 : x
  2. Step 2: Convert to fraction form
    23,135.66/34,714.08 = 12,589.88/x
  3. Step 3: Cross multiply
    23,135.66x = 34,714.08 × 12,589.88
  4. Step 4: Simplify right side
    23,135.66x = 437,046,101.51
  5. Step 5: Solve for x
    x = 437,046,101.51/23,135.66
  6. Step 6: Final answer
    x = 18,890.58

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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.