Home / 13,450.89-18,562.26-7,482.63

Finding the Fourth Proportional to 13,450.89, 18,562.26 and 7,482.63

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Solution

The fourth proportional to 13,450.89, 18,562.26 and 7,482.63 is: 10,326.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.89 : 18,562.26 = 7,482.63 : x
  2. Step 2: Convert to fraction form
    13,450.89/18,562.26 = 7,482.63/x
  3. Step 3: Cross multiply
    13,450.89x = 18,562.26 × 7,482.63
  4. Step 4: Simplify right side
    13,450.89x = 138,894,523.54
  5. Step 5: Solve for x
    x = 138,894,523.54/13,450.89
  6. Step 6: Final answer
    x = 10,326.05

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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.