Home / 20,043.06-27,659.70-12,492.44

Finding the Fourth Proportional to 20,043.06, 27,659.70 and 12,492.44

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Solution

The fourth proportional to 20,043.06, 27,659.70 and 12,492.44 is: 17,239.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.06 : 27,659.70 = 12,492.44 : x
  2. Step 2: Convert to fraction form
    20,043.06/27,659.70 = 12,492.44/x
  3. Step 3: Cross multiply
    20,043.06x = 27,659.70 × 12,492.44
  4. Step 4: Simplify right side
    20,043.06x = 345,537,142.67
  5. Step 5: Solve for x
    x = 345,537,142.67/20,043.06
  6. Step 6: Final answer
    x = 17,239.74

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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.