Home / 24,631.45-33,990.80-13,729.51

Finding the Fourth Proportional to 24,631.45, 33,990.80 and 13,729.51

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Solution

The fourth proportional to 24,631.45, 33,990.80 and 13,729.51 is: 18,946.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,631.45 : 33,990.80 = 13,729.51 : x
  2. Step 2: Convert to fraction form
    24,631.45/33,990.80 = 13,729.51/x
  3. Step 3: Cross multiply
    24,631.45x = 33,990.80 × 13,729.51
  4. Step 4: Simplify right side
    24,631.45x = 466,677,028.51
  5. Step 5: Solve for x
    x = 466,677,028.51/24,631.45
  6. Step 6: Final answer
    x = 18,946.39

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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.