Home / 23,779.60-32,815.29-13,169.68

Finding the Fourth Proportional to 23,779.60, 32,815.29 and 13,169.68

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Solution

The fourth proportional to 23,779.60, 32,815.29 and 13,169.68 is: 18,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,779.60 : 32,815.29 = 13,169.68 : x
  2. Step 2: Convert to fraction form
    23,779.60/32,815.29 = 13,169.68/x
  3. Step 3: Cross multiply
    23,779.60x = 32,815.29 × 13,169.68
  4. Step 4: Simplify right side
    23,779.60x = 432,166,868.41
  5. Step 5: Solve for x
    x = 432,166,868.41/23,779.60
  6. Step 6: Final answer
    x = 18,173.85

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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.