Home / 13,054.80-18,011.24-8,341.84

Finding the Fourth Proportional to 13,054.80, 18,011.24 and 8,341.84

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Solution

The fourth proportional to 13,054.80, 18,011.24 and 8,341.84 is: 11,508.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.80 : 18,011.24 = 8,341.84 : x
  2. Step 2: Convert to fraction form
    13,054.80/18,011.24 = 8,341.84/x
  3. Step 3: Cross multiply
    13,054.80x = 18,011.24 × 8,341.84
  4. Step 4: Simplify right side
    13,054.80x = 150,246,882.28
  5. Step 5: Solve for x
    x = 150,246,882.28/13,054.80
  6. Step 6: Final answer
    x = 11,508.94

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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.