Home / 13,432.45-18,537.11-7,464.37

Finding the Fourth Proportional to 13,432.45, 18,537.11 and 7,464.37

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Solution

The fourth proportional to 13,432.45, 18,537.11 and 7,464.37 is: 10,301.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.45 : 18,537.11 = 7,464.37 : x
  2. Step 2: Convert to fraction form
    13,432.45/18,537.11 = 7,464.37/x
  3. Step 3: Cross multiply
    13,432.45x = 18,537.11 × 7,464.37
  4. Step 4: Simplify right side
    13,432.45x = 138,367,847.77
  5. Step 5: Solve for x
    x = 138,367,847.77/13,432.45
  6. Step 6: Final answer
    x = 10,301.01

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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.