Home / 13,254.01-18,291.70-7,286.84

Finding the Fourth Proportional to 13,254.01, 18,291.70 and 7,286.84

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Solution

The fourth proportional to 13,254.01, 18,291.70 and 7,286.84 is: 10,056.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.01 : 18,291.70 = 7,286.84 : x
  2. Step 2: Convert to fraction form
    13,254.01/18,291.70 = 7,286.84/x
  3. Step 3: Cross multiply
    13,254.01x = 18,291.70 × 7,286.84
  4. Step 4: Simplify right side
    13,254.01x = 133,288,691.23
  5. Step 5: Solve for x
    x = 133,288,691.23/13,254.01
  6. Step 6: Final answer
    x = 10,056.48

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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.