Home / 25,208.32-37,818.71-10,421.47

Finding the Fourth Proportional to 25,208.32, 37,818.71 and 10,421.47

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Solution

The fourth proportional to 25,208.32, 37,818.71 and 10,421.47 is: 15,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,208.32 : 37,818.71 = 10,421.47 : x
  2. Step 2: Convert to fraction form
    25,208.32/37,818.71 = 10,421.47/x
  3. Step 3: Cross multiply
    25,208.32x = 37,818.71 × 10,421.47
  4. Step 4: Simplify right side
    25,208.32x = 394,126,551.70
  5. Step 5: Solve for x
    x = 394,126,551.70/25,208.32
  6. Step 6: Final answer
    x = 15,634.78

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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.