Home / 25,613.01-38,406.15-12,090.06

Finding the Fourth Proportional to 25,613.01, 38,406.15 and 12,090.06

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Solution

The fourth proportional to 25,613.01, 38,406.15 and 12,090.06 is: 18,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613.01 : 38,406.15 = 12,090.06 : x
  2. Step 2: Convert to fraction form
    25,613.01/38,406.15 = 12,090.06/x
  3. Step 3: Cross multiply
    25,613.01x = 38,406.15 × 12,090.06
  4. Step 4: Simplify right side
    25,613.01x = 464,332,657.87
  5. Step 5: Solve for x
    x = 464,332,657.87/25,613.01
  6. Step 6: Final answer
    x = 18,128.78

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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.