Home / 25,464.06-38,197.12-12,130.20

Finding the Fourth Proportional to 25,464.06, 38,197.12 and 12,130.20

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Solution

The fourth proportional to 25,464.06, 38,197.12 and 12,130.20 is: 18,195.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,464.06 : 38,197.12 = 12,130.20 : x
  2. Step 2: Convert to fraction form
    25,464.06/38,197.12 = 12,130.20/x
  3. Step 3: Cross multiply
    25,464.06x = 38,197.12 × 12,130.20
  4. Step 4: Simplify right side
    25,464.06x = 463,338,770.19
  5. Step 5: Solve for x
    x = 463,338,770.19/25,464.06
  6. Step 6: Final answer
    x = 18,195.79

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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.