Home / 25,165.47-34,728.25-13,835.68

Finding the Fourth Proportional to 25,165.47, 34,728.25 and 13,835.68

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Solution

The fourth proportional to 25,165.47, 34,728.25 and 13,835.68 is: 19,093.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,165.47 : 34,728.25 = 13,835.68 : x
  2. Step 2: Convert to fraction form
    25,165.47/34,728.25 = 13,835.68/x
  3. Step 3: Cross multiply
    25,165.47x = 34,728.25 × 13,835.68
  4. Step 4: Simplify right side
    25,165.47x = 480,488,953.96
  5. Step 5: Solve for x
    x = 480,488,953.96/25,165.47
  6. Step 6: Final answer
    x = 19,093.18

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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.