Home / 33,638.48-46,421.96-18,734.80

Finding the Fourth Proportional to 33,638.48, 46,421.96 and 18,734.80

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Solution

The fourth proportional to 33,638.48, 46,421.96 and 18,734.80 is: 25,854.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,638.48 : 46,421.96 = 18,734.80 : x
  2. Step 2: Convert to fraction form
    33,638.48/46,421.96 = 18,734.80/x
  3. Step 3: Cross multiply
    33,638.48x = 46,421.96 × 18,734.80
  4. Step 4: Simplify right side
    33,638.48x = 869,706,136.21
  5. Step 5: Solve for x
    x = 869,706,136.21/33,638.48
  6. Step 6: Final answer
    x = 25,854.50

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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.