Home / 25,143.81-34,694.60-14,531.39

Finding the Fourth Proportional to 25,143.81, 34,694.60 and 14,531.39

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Solution

The fourth proportional to 25,143.81, 34,694.60 and 14,531.39 is: 20,051.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.81 : 34,694.60 = 14,531.39 : x
  2. Step 2: Convert to fraction form
    25,143.81/34,694.60 = 14,531.39/x
  3. Step 3: Cross multiply
    25,143.81x = 34,694.60 × 14,531.39
  4. Step 4: Simplify right side
    25,143.81x = 504,160,763.49
  5. Step 5: Solve for x
    x = 504,160,763.49/25,143.81
  6. Step 6: Final answer
    x = 20,051.09

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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.