Home / 13,271.19-18,304.83-11,267.93

Finding the Fourth Proportional to 13,271.19, 18,304.83 and 11,267.93

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Solution

The fourth proportional to 13,271.19, 18,304.83 and 11,267.93 is: 15,541.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.19 : 18,304.83 = 11,267.93 : x
  2. Step 2: Convert to fraction form
    13,271.19/18,304.83 = 11,267.93/x
  3. Step 3: Cross multiply
    13,271.19x = 18,304.83 × 11,267.93
  4. Step 4: Simplify right side
    13,271.19x = 206,257,451.58
  5. Step 5: Solve for x
    x = 206,257,451.58/13,271.19
  6. Step 6: Final answer
    x = 15,541.75

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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.