Home / 25,406.03-38,132.47-12,935.04

Finding the Fourth Proportional to 25,406.03, 38,132.47 and 12,935.04

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Solution

The fourth proportional to 25,406.03, 38,132.47 and 12,935.04 is: 19,414.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,406.03 : 38,132.47 = 12,935.04 : x
  2. Step 2: Convert to fraction form
    25,406.03/38,132.47 = 12,935.04/x
  3. Step 3: Cross multiply
    25,406.03x = 38,132.47 × 12,935.04
  4. Step 4: Simplify right side
    25,406.03x = 493,245,112.42
  5. Step 5: Solve for x
    x = 493,245,112.42/25,406.03
  6. Step 6: Final answer
    x = 19,414.49

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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.