Home / 25,105.41-37,604.52-13,221.72

Finding the Fourth Proportional to 25,105.41, 37,604.52 and 13,221.72

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Solution

The fourth proportional to 25,105.41, 37,604.52 and 13,221.72 is: 19,804.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,105.41 : 37,604.52 = 13,221.72 : x
  2. Step 2: Convert to fraction form
    25,105.41/37,604.52 = 13,221.72/x
  3. Step 3: Cross multiply
    25,105.41x = 37,604.52 × 13,221.72
  4. Step 4: Simplify right side
    25,105.41x = 497,196,434.17
  5. Step 5: Solve for x
    x = 497,196,434.17/25,105.41
  6. Step 6: Final answer
    x = 19,804.35

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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.