Home / 25,108.47-34,649.69-13,930.47

Finding the Fourth Proportional to 25,108.47, 34,649.69 and 13,930.47

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Solution

The fourth proportional to 25,108.47, 34,649.69 and 13,930.47 is: 19,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,108.47 : 34,649.69 = 13,930.47 : x
  2. Step 2: Convert to fraction form
    25,108.47/34,649.69 = 13,930.47/x
  3. Step 3: Cross multiply
    25,108.47x = 34,649.69 × 13,930.47
  4. Step 4: Simplify right side
    25,108.47x = 482,686,467.05
  5. Step 5: Solve for x
    x = 482,686,467.05/25,108.47
  6. Step 6: Final answer
    x = 19,224.05

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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.