Home / 20,648.33-28,506.51-13,595.25

Finding the Fourth Proportional to 20,648.33, 28,506.51 and 13,595.25

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Solution

The fourth proportional to 20,648.33, 28,506.51 and 13,595.25 is: 18,769.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,648.33 : 28,506.51 = 13,595.25 : x
  2. Step 2: Convert to fraction form
    20,648.33/28,506.51 = 13,595.25/x
  3. Step 3: Cross multiply
    20,648.33x = 28,506.51 × 13,595.25
  4. Step 4: Simplify right side
    20,648.33x = 387,553,130.08
  5. Step 5: Solve for x
    x = 387,553,130.08/20,648.33
  6. Step 6: Final answer
    x = 18,769.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.