Home / 25,470.05-38,203.28-6,749.68

Finding the Fourth Proportional to 25,470.05, 38,203.28 and 6,749.68

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Solution

The fourth proportional to 25,470.05, 38,203.28 and 6,749.68 is: 10,124.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,470.05 : 38,203.28 = 6,749.68 : x
  2. Step 2: Convert to fraction form
    25,470.05/38,203.28 = 6,749.68/x
  3. Step 3: Cross multiply
    25,470.05x = 38,203.28 × 6,749.68
  4. Step 4: Simplify right side
    25,470.05x = 257,859,698.62
  5. Step 5: Solve for x
    x = 257,859,698.62/25,470.05
  6. Step 6: Final answer
    x = 10,124.03

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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.