Home / 16,779.81-23,165.19-11,759.43

Finding the Fourth Proportional to 16,779.81, 23,165.19 and 11,759.43

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Solution

The fourth proportional to 16,779.81, 23,165.19 and 11,759.43 is: 16,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.81 : 23,165.19 = 11,759.43 : x
  2. Step 2: Convert to fraction form
    16,779.81/23,165.19 = 11,759.43/x
  3. Step 3: Cross multiply
    16,779.81x = 23,165.19 × 11,759.43
  4. Step 4: Simplify right side
    16,779.81x = 272,409,430.24
  5. Step 5: Solve for x
    x = 272,409,430.24/16,779.81
  6. Step 6: Final answer
    x = 16,234.36

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Half scale
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Double scale
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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.