Home / 25,146.68-34,701.84-13,661.44

Finding the Fourth Proportional to 25,146.68, 34,701.84 and 13,661.44

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Solution

The fourth proportional to 25,146.68, 34,701.84 and 13,661.44 is: 18,852.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,146.68 : 34,701.84 = 13,661.44 : x
  2. Step 2: Convert to fraction form
    25,146.68/34,701.84 = 13,661.44/x
  3. Step 3: Cross multiply
    25,146.68x = 34,701.84 × 13,661.44
  4. Step 4: Simplify right side
    25,146.68x = 474,077,018.30
  5. Step 5: Solve for x
    x = 474,077,018.30/25,146.68
  6. Step 6: Final answer
    x = 18,852.47

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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.