Home / 18,426.84-25,429.16-10,043.36

Finding the Fourth Proportional to 18,426.84, 25,429.16 and 10,043.36

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Solution

The fourth proportional to 18,426.84, 25,429.16 and 10,043.36 is: 13,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.84 : 25,429.16 = 10,043.36 : x
  2. Step 2: Convert to fraction form
    18,426.84/25,429.16 = 10,043.36/x
  3. Step 3: Cross multiply
    18,426.84x = 25,429.16 × 10,043.36
  4. Step 4: Simplify right side
    18,426.84x = 255,394,208.38
  5. Step 5: Solve for x
    x = 255,394,208.38/18,426.84
  6. Step 6: Final answer
    x = 13,859.90

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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.