Home / 25,153.65-37,695.42-18,906.37

Finding the Fourth Proportional to 25,153.65, 37,695.42 and 18,906.37

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Solution

The fourth proportional to 25,153.65, 37,695.42 and 18,906.37 is: 28,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,153.65 : 37,695.42 = 18,906.37 : x
  2. Step 2: Convert to fraction form
    25,153.65/37,695.42 = 18,906.37/x
  3. Step 3: Cross multiply
    25,153.65x = 37,695.42 × 18,906.37
  4. Step 4: Simplify right side
    25,153.65x = 712,683,557.83
  5. Step 5: Solve for x
    x = 712,683,557.83/25,153.65
  6. Step 6: Final answer
    x = 28,333.21

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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.