Home / 13,902.06-19,184.10-7,613.22

Finding the Fourth Proportional to 13,902.06, 19,184.10 and 7,613.22

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Solution

The fourth proportional to 13,902.06, 19,184.10 and 7,613.22 is: 10,505.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.06 : 19,184.10 = 7,613.22 : x
  2. Step 2: Convert to fraction form
    13,902.06/19,184.10 = 7,613.22/x
  3. Step 3: Cross multiply
    13,902.06x = 19,184.10 × 7,613.22
  4. Step 4: Simplify right side
    13,902.06x = 146,052,773.80
  5. Step 5: Solve for x
    x = 146,052,773.80/13,902.06
  6. Step 6: Final answer
    x = 10,505.84

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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.