Home / 19,861.01-27,407.12-11,362.22

Finding the Fourth Proportional to 19,861.01, 27,407.12 and 11,362.22

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Solution

The fourth proportional to 19,861.01, 27,407.12 and 11,362.22 is: 15,679.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.01 : 27,407.12 = 11,362.22 : x
  2. Step 2: Convert to fraction form
    19,861.01/27,407.12 = 11,362.22/x
  3. Step 3: Cross multiply
    19,861.01x = 27,407.12 × 11,362.22
  4. Step 4: Simplify right side
    19,861.01x = 311,405,727.01
  5. Step 5: Solve for x
    x = 311,405,727.01/19,861.01
  6. Step 6: Final answer
    x = 15,679.25

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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.