Home / 25,406.58-38,109.33-13,564.38

Finding the Fourth Proportional to 25,406.58, 38,109.33 and 13,564.38

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Solution

The fourth proportional to 25,406.58, 38,109.33 and 13,564.38 is: 20,346.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,406.58 : 38,109.33 = 13,564.38 : x
  2. Step 2: Convert to fraction form
    25,406.58/38,109.33 = 13,564.38/x
  3. Step 3: Cross multiply
    25,406.58x = 38,109.33 × 13,564.38
  4. Step 4: Simplify right side
    25,406.58x = 516,929,433.67
  5. Step 5: Solve for x
    x = 516,929,433.67/25,406.58
  6. Step 6: Final answer
    x = 20,346.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.