Home / 13,450.63-18,560.17-7,482.55

Finding the Fourth Proportional to 13,450.63, 18,560.17 and 7,482.55

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Solution

The fourth proportional to 13,450.63, 18,560.17 and 7,482.55 is: 10,324.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.63 : 18,560.17 = 7,482.55 : x
  2. Step 2: Convert to fraction form
    13,450.63/18,560.17 = 7,482.55/x
  3. Step 3: Cross multiply
    13,450.63x = 18,560.17 × 7,482.55
  4. Step 4: Simplify right side
    13,450.63x = 138,877,400.03
  5. Step 5: Solve for x
    x = 138,877,400.03/13,450.63
  6. Step 6: Final answer
    x = 10,324.97

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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.