Home / 13,005.20-19,492.21-7,462.37

Finding the Fourth Proportional to 13,005.20, 19,492.21 and 7,462.37

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Solution

The fourth proportional to 13,005.20, 19,492.21 and 7,462.37 is: 11,184.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005.20 : 19,492.21 = 7,462.37 : x
  2. Step 2: Convert to fraction form
    13,005.20/19,492.21 = 7,462.37/x
  3. Step 3: Cross multiply
    13,005.20x = 19,492.21 × 7,462.37
  4. Step 4: Simplify right side
    13,005.20x = 145,458,141.20
  5. Step 5: Solve for x
    x = 145,458,141.20/13,005.20
  6. Step 6: Final answer
    x = 11,184.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.