Home / 13,714.27-18,933.23-8,615.11

Finding the Fourth Proportional to 13,714.27, 18,933.23 and 8,615.11

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Solution

The fourth proportional to 13,714.27, 18,933.23 and 8,615.11 is: 11,893.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.27 : 18,933.23 = 8,615.11 : x
  2. Step 2: Convert to fraction form
    13,714.27/18,933.23 = 8,615.11/x
  3. Step 3: Cross multiply
    13,714.27x = 18,933.23 × 8,615.11
  4. Step 4: Simplify right side
    13,714.27x = 163,111,856.69
  5. Step 5: Solve for x
    x = 163,111,856.69/13,714.27
  6. Step 6: Final answer
    x = 11,893.58

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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.