Home / 18,414.99-25,412.69-10,031.49

Finding the Fourth Proportional to 18,414.99, 25,412.69 and 10,031.49

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Solution

The fourth proportional to 18,414.99, 25,412.69 and 10,031.49 is: 13,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.99 : 25,412.69 = 10,031.49 : x
  2. Step 2: Convert to fraction form
    18,414.99/25,412.69 = 10,031.49/x
  3. Step 3: Cross multiply
    18,414.99x = 25,412.69 × 10,031.49
  4. Step 4: Simplify right side
    18,414.99x = 254,927,170.69
  5. Step 5: Solve for x
    x = 254,927,170.69/18,414.99
  6. Step 6: Final answer
    x = 13,843.46

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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.