Home / 25,078.12-34,607.58-13,748.26

Finding the Fourth Proportional to 25,078.12, 34,607.58 and 13,748.26

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Solution

The fourth proportional to 25,078.12, 34,607.58 and 13,748.26 is: 18,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,078.12 : 34,607.58 = 13,748.26 : x
  2. Step 2: Convert to fraction form
    25,078.12/34,607.58 = 13,748.26/x
  3. Step 3: Cross multiply
    25,078.12x = 34,607.58 × 13,748.26
  4. Step 4: Simplify right side
    25,078.12x = 475,794,007.81
  5. Step 5: Solve for x
    x = 475,794,007.81/25,078.12
  6. Step 6: Final answer
    x = 18,972.48

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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.