Home / 23,779.76-32,817.05-13,169.40

Finding the Fourth Proportional to 23,779.76, 32,817.05 and 13,169.40

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Solution

The fourth proportional to 23,779.76, 32,817.05 and 13,169.40 is: 18,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,779.76 : 32,817.05 = 13,169.40 : x
  2. Step 2: Convert to fraction form
    23,779.76/32,817.05 = 13,169.40/x
  3. Step 3: Cross multiply
    23,779.76x = 32,817.05 × 13,169.40
  4. Step 4: Simplify right side
    23,779.76x = 432,180,858.27
  5. Step 5: Solve for x
    x = 432,180,858.27/23,779.76
  6. Step 6: Final answer
    x = 18,174.32

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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.