Home / 25,117.17-34,661.55-13,786.38

Finding the Fourth Proportional to 25,117.17, 34,661.55 and 13,786.38

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Solution

The fourth proportional to 25,117.17, 34,661.55 and 13,786.38 is: 19,025.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,117.17 : 34,661.55 = 13,786.38 : x
  2. Step 2: Convert to fraction form
    25,117.17/34,661.55 = 13,786.38/x
  3. Step 3: Cross multiply
    25,117.17x = 34,661.55 × 13,786.38
  4. Step 4: Simplify right side
    25,117.17x = 477,857,299.69
  5. Step 5: Solve for x
    x = 477,857,299.69/25,117.17
  6. Step 6: Final answer
    x = 19,025.13

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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.