Home / 12,360.51-18,633.12-11,309.67

Finding the Fourth Proportional to 12,360.51, 18,633.12 and 11,309.67

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Solution

The fourth proportional to 12,360.51, 18,633.12 and 11,309.67 is: 17,049.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.51 : 18,633.12 = 11,309.67 : x
  2. Step 2: Convert to fraction form
    12,360.51/18,633.12 = 11,309.67/x
  3. Step 3: Cross multiply
    12,360.51x = 18,633.12 × 11,309.67
  4. Step 4: Simplify right side
    12,360.51x = 210,734,438.27
  5. Step 5: Solve for x
    x = 210,734,438.27/12,360.51
  6. Step 6: Final answer
    x = 17,049.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.