Home / 25,186.62-34,756.76-13,856.10

Finding the Fourth Proportional to 25,186.62, 34,756.76 and 13,856.10

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Solution

The fourth proportional to 25,186.62, 34,756.76 and 13,856.10 is: 19,120.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,186.62 : 34,756.76 = 13,856.10 : x
  2. Step 2: Convert to fraction form
    25,186.62/34,756.76 = 13,856.10/x
  3. Step 3: Cross multiply
    25,186.62x = 34,756.76 × 13,856.10
  4. Step 4: Simplify right side
    25,186.62x = 481,593,142.24
  5. Step 5: Solve for x
    x = 481,593,142.24/25,186.62
  6. Step 6: Final answer
    x = 19,120.99

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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.