Home / 25,180.50-34,749.12-13,850.16

Finding the Fourth Proportional to 25,180.50, 34,749.12 and 13,850.16

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Solution

The fourth proportional to 25,180.50, 34,749.12 and 13,850.16 is: 19,113.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,180.50 : 34,749.12 = 13,850.16 : x
  2. Step 2: Convert to fraction form
    25,180.50/34,749.12 = 13,850.16/x
  3. Step 3: Cross multiply
    25,180.50x = 34,749.12 × 13,850.16
  4. Step 4: Simplify right side
    25,180.50x = 481,280,871.86
  5. Step 5: Solve for x
    x = 481,280,871.86/25,180.50
  6. Step 6: Final answer
    x = 19,113.24

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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.