Home / 20,060.34-27,684.22-12,102.40

Finding the Fourth Proportional to 20,060.34, 27,684.22 and 12,102.40

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Solution

The fourth proportional to 20,060.34, 27,684.22 and 12,102.40 is: 16,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,060.34 : 27,684.22 = 12,102.40 : x
  2. Step 2: Convert to fraction form
    20,060.34/27,684.22 = 12,102.40/x
  3. Step 3: Cross multiply
    20,060.34x = 27,684.22 × 12,102.40
  4. Step 4: Simplify right side
    20,060.34x = 335,045,365.71
  5. Step 5: Solve for x
    x = 335,045,365.71/20,060.34
  6. Step 6: Final answer
    x = 16,701.88

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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.