Home / 13,450.96-18,561.81-7,482.43

Finding the Fourth Proportional to 13,450.96, 18,561.81 and 7,482.43

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Solution

The fourth proportional to 13,450.96, 18,561.81 and 7,482.43 is: 10,325.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.96 : 18,561.81 = 7,482.43 : x
  2. Step 2: Convert to fraction form
    13,450.96/18,561.81 = 7,482.43/x
  3. Step 3: Cross multiply
    13,450.96x = 18,561.81 × 7,482.43
  4. Step 4: Simplify right side
    13,450.96x = 138,887,444.00
  5. Step 5: Solve for x
    x = 138,887,444.00/13,450.96
  6. Step 6: Final answer
    x = 10,325.47

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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.