Home / 25,099.18-34,637.62-13,920.94

Finding the Fourth Proportional to 25,099.18, 34,637.62 and 13,920.94

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Solution

The fourth proportional to 25,099.18, 34,637.62 and 13,920.94 is: 19,211.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,099.18 : 34,637.62 = 13,920.94 : x
  2. Step 2: Convert to fraction form
    25,099.18/34,637.62 = 13,920.94/x
  3. Step 3: Cross multiply
    25,099.18x = 34,637.62 × 13,920.94
  4. Step 4: Simplify right side
    25,099.18x = 482,188,108.37
  5. Step 5: Solve for x
    x = 482,188,108.37/25,099.18
  6. Step 6: Final answer
    x = 19,211.31

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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.