Home / 25,168.71-34,733.21-13,838.70

Finding the Fourth Proportional to 25,168.71, 34,733.21 and 13,838.70

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Solution

The fourth proportional to 25,168.71, 34,733.21 and 13,838.70 is: 19,097.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,168.71 : 34,733.21 = 13,838.70 : x
  2. Step 2: Convert to fraction form
    25,168.71/34,733.21 = 13,838.70/x
  3. Step 3: Cross multiply
    25,168.71x = 34,733.21 × 13,838.70
  4. Step 4: Simplify right side
    25,168.71x = 480,662,473.23
  5. Step 5: Solve for x
    x = 480,662,473.23/25,168.71
  6. Step 6: Final answer
    x = 19,097.62

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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.