Home / 23,779.48-32,815.74-13,170.16

Finding the Fourth Proportional to 23,779.48, 32,815.74 and 13,170.16

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Solution

The fourth proportional to 23,779.48, 32,815.74 and 13,170.16 is: 18,174.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,779.48 : 32,815.74 = 13,170.16 : x
  2. Step 2: Convert to fraction form
    23,779.48/32,815.74 = 13,170.16/x
  3. Step 3: Cross multiply
    23,779.48x = 32,815.74 × 13,170.16
  4. Step 4: Simplify right side
    23,779.48x = 432,188,546.32
  5. Step 5: Solve for x
    x = 432,188,546.32/23,779.48
  6. Step 6: Final answer
    x = 18,174.85

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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.