Home / 13,304.04-18,343.98-9,940.92

Finding the Fourth Proportional to 13,304.04, 18,343.98 and 9,940.92

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Solution

The fourth proportional to 13,304.04, 18,343.98 and 9,940.92 is: 13,706.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.04 : 18,343.98 = 9,940.92 : x
  2. Step 2: Convert to fraction form
    13,304.04/18,343.98 = 9,940.92/x
  3. Step 3: Cross multiply
    13,304.04x = 18,343.98 × 9,940.92
  4. Step 4: Simplify right side
    13,304.04x = 182,356,037.66
  5. Step 5: Solve for x
    x = 182,356,037.66/13,304.04
  6. Step 6: Final answer
    x = 13,706.82

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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.