Home / 13,301.04-18,350.30-7,633.74

Finding the Fourth Proportional to 13,301.04, 18,350.30 and 7,633.74

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Solution

The fourth proportional to 13,301.04, 18,350.30 and 7,633.74 is: 10,531.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.04 : 18,350.30 = 7,633.74 : x
  2. Step 2: Convert to fraction form
    13,301.04/18,350.30 = 7,633.74/x
  3. Step 3: Cross multiply
    13,301.04x = 18,350.30 × 7,633.74
  4. Step 4: Simplify right side
    13,301.04x = 140,081,380.95
  5. Step 5: Solve for x
    x = 140,081,380.95/13,301.04
  6. Step 6: Final answer
    x = 10,531.61

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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.