Home / 25,173.71-34,740.12-13,843.70

Finding the Fourth Proportional to 25,173.71, 34,740.12 and 13,843.70

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Solution

The fourth proportional to 25,173.71, 34,740.12 and 13,843.70 is: 19,104.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,173.71 : 34,740.12 = 13,843.70 : x
  2. Step 2: Convert to fraction form
    25,173.71/34,740.12 = 13,843.70/x
  3. Step 3: Cross multiply
    25,173.71x = 34,740.12 × 13,843.70
  4. Step 4: Simplify right side
    25,173.71x = 480,931,799.24
  5. Step 5: Solve for x
    x = 480,931,799.24/25,173.71
  6. Step 6: Final answer
    x = 19,104.53

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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.