Home / 25,099.41-34,636.65-13,921.41

Finding the Fourth Proportional to 25,099.41, 34,636.65 and 13,921.41

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Solution

The fourth proportional to 25,099.41, 34,636.65 and 13,921.41 is: 19,211.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,099.41 : 34,636.65 = 13,921.41 : x
  2. Step 2: Convert to fraction form
    25,099.41/34,636.65 = 13,921.41/x
  3. Step 3: Cross multiply
    25,099.41x = 34,636.65 × 13,921.41
  4. Step 4: Simplify right side
    25,099.41x = 482,191,005.68
  5. Step 5: Solve for x
    x = 482,191,005.68/25,099.41
  6. Step 6: Final answer
    x = 19,211.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.