Home / 25,663.20-38,425.32-13,325.28

Finding the Fourth Proportional to 25,663.20, 38,425.32 and 13,325.28

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Solution

The fourth proportional to 25,663.20, 38,425.32 and 13,325.28 is: 19,951.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,663.20 : 38,425.32 = 13,325.28 : x
  2. Step 2: Convert to fraction form
    25,663.20/38,425.32 = 13,325.28/x
  3. Step 3: Cross multiply
    25,663.20x = 38,425.32 × 13,325.28
  4. Step 4: Simplify right side
    25,663.20x = 512,028,148.09
  5. Step 5: Solve for x
    x = 512,028,148.09/25,663.20
  6. Step 6: Final answer
    x = 19,951.84

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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.