Home / 18,424.19-25,429.48-11,708.50

Finding the Fourth Proportional to 18,424.19, 25,429.48 and 11,708.50

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Solution

The fourth proportional to 18,424.19, 25,429.48 and 11,708.50 is: 16,160.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.19 : 25,429.48 = 11,708.50 : x
  2. Step 2: Convert to fraction form
    18,424.19/25,429.48 = 11,708.50/x
  3. Step 3: Cross multiply
    18,424.19x = 25,429.48 × 11,708.50
  4. Step 4: Simplify right side
    18,424.19x = 297,741,066.58
  5. Step 5: Solve for x
    x = 297,741,066.58/18,424.19
  6. Step 6: Final answer
    x = 16,160.33

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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.