Home / 13,304.49-18,359.35-7,336.20

Finding the Fourth Proportional to 13,304.49, 18,359.35 and 7,336.20

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Solution

The fourth proportional to 13,304.49, 18,359.35 and 7,336.20 is: 10,123.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.49 : 18,359.35 = 7,336.20 : x
  2. Step 2: Convert to fraction form
    13,304.49/18,359.35 = 7,336.20/x
  3. Step 3: Cross multiply
    13,304.49x = 18,359.35 × 7,336.20
  4. Step 4: Simplify right side
    13,304.49x = 134,687,913.98
  5. Step 5: Solve for x
    x = 134,687,913.98/13,304.49
  6. Step 6: Final answer
    x = 10,123.50

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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.