Home / 25,138.71-34,672.21-17,078.58

Finding the Fourth Proportional to 25,138.71, 34,672.21 and 17,078.58

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Solution

The fourth proportional to 25,138.71, 34,672.21 and 17,078.58 is: 23,555.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,138.71 : 34,672.21 = 17,078.58 : x
  2. Step 2: Convert to fraction form
    25,138.71/34,672.21 = 17,078.58/x
  3. Step 3: Cross multiply
    25,138.71x = 34,672.21 × 17,078.58
  4. Step 4: Simplify right side
    25,138.71x = 592,152,112.26
  5. Step 5: Solve for x
    x = 592,152,112.26/25,138.71
  6. Step 6: Final answer
    x = 23,555.39

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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.