Home / 23,779.60-32,741.16-20,187.11

Finding the Fourth Proportional to 23,779.60, 32,741.16 and 20,187.11

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Solution

The fourth proportional to 23,779.60, 32,741.16 and 20,187.11 is: 27,794.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,779.60 : 32,741.16 = 20,187.11 : x
  2. Step 2: Convert to fraction form
    23,779.60/32,741.16 = 20,187.11/x
  3. Step 3: Cross multiply
    23,779.60x = 32,741.16 × 20,187.11
  4. Step 4: Simplify right side
    23,779.60x = 660,949,472.11
  5. Step 5: Solve for x
    x = 660,949,472.11/23,779.60
  6. Step 6: Final answer
    x = 27,794.81

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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.