Home / 55,176.13-82,764.19-13,623.13

Finding the Fourth Proportional to 55,176.13, 82,764.19 and 13,623.13

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Solution

The fourth proportional to 55,176.13, 82,764.19 and 13,623.13 is: 20,434.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,176.13 : 82,764.19 = 13,623.13 : x
  2. Step 2: Convert to fraction form
    55,176.13/82,764.19 = 13,623.13/x
  3. Step 3: Cross multiply
    55,176.13x = 82,764.19 × 13,623.13
  4. Step 4: Simplify right side
    55,176.13x = 1,127,507,319.71
  5. Step 5: Solve for x
    x = 1,127,507,319.71/55,176.13
  6. Step 6: Final answer
    x = 20,434.69

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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.