Home / 25,007.09-34,508.51-13,674.39

Finding the Fourth Proportional to 25,007.09, 34,508.51 and 13,674.39

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Solution

The fourth proportional to 25,007.09, 34,508.51 and 13,674.39 is: 18,869.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,007.09 : 34,508.51 = 13,674.39 : x
  2. Step 2: Convert to fraction form
    25,007.09/34,508.51 = 13,674.39/x
  3. Step 3: Cross multiply
    25,007.09x = 34,508.51 × 13,674.39
  4. Step 4: Simplify right side
    25,007.09x = 471,882,824.06
  5. Step 5: Solve for x
    x = 471,882,824.06/25,007.09
  6. Step 6: Final answer
    x = 18,869.96

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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.