Home / 55,116.80-82,676.48-13,564.16

Finding the Fourth Proportional to 55,116.80, 82,676.48 and 13,564.16

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Solution

The fourth proportional to 55,116.80, 82,676.48 and 13,564.16 is: 20,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,116.80 : 82,676.48 = 13,564.16 : x
  2. Step 2: Convert to fraction form
    55,116.80/82,676.48 = 13,564.16/x
  3. Step 3: Cross multiply
    55,116.80x = 82,676.48 × 13,564.16
  4. Step 4: Simplify right side
    55,116.80x = 1,121,437,002.96
  5. Step 5: Solve for x
    x = 1,121,437,002.96/55,116.80
  6. Step 6: Final answer
    x = 20,346.56

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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.