Home / 17,021.61-25,488.68-10,427.81

Finding the Fourth Proportional to 17,021.61, 25,488.68 and 10,427.81

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Solution

The fourth proportional to 17,021.61, 25,488.68 and 10,427.81 is: 15,614.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021.61 : 25,488.68 = 10,427.81 : x
  2. Step 2: Convert to fraction form
    17,021.61/25,488.68 = 10,427.81/x
  3. Step 3: Cross multiply
    17,021.61x = 25,488.68 × 10,427.81
  4. Step 4: Simplify right side
    17,021.61x = 265,790,932.61
  5. Step 5: Solve for x
    x = 265,790,932.61/17,021.61
  6. Step 6: Final answer
    x = 15,614.91

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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.