Home / 20,056.34-27,676.98-11,103.68

Finding the Fourth Proportional to 20,056.34, 27,676.98 and 11,103.68

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Solution

The fourth proportional to 20,056.34, 27,676.98 and 11,103.68 is: 15,322.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.34 : 27,676.98 = 11,103.68 : x
  2. Step 2: Convert to fraction form
    20,056.34/27,676.98 = 11,103.68/x
  3. Step 3: Cross multiply
    20,056.34x = 27,676.98 × 11,103.68
  4. Step 4: Simplify right side
    20,056.34x = 307,316,329.29
  5. Step 5: Solve for x
    x = 307,316,329.29/20,056.34
  6. Step 6: Final answer
    x = 15,322.65

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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.