Home / 13,619.42-18,795.46-7,652.96

Finding the Fourth Proportional to 13,619.42, 18,795.46 and 7,652.96

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Solution

The fourth proportional to 13,619.42, 18,795.46 and 7,652.96 is: 10,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.42 : 18,795.46 = 7,652.96 : x
  2. Step 2: Convert to fraction form
    13,619.42/18,795.46 = 7,652.96/x
  3. Step 3: Cross multiply
    13,619.42x = 18,795.46 × 7,652.96
  4. Step 4: Simplify right side
    13,619.42x = 143,840,809.58
  5. Step 5: Solve for x
    x = 143,840,809.58/13,619.42
  6. Step 6: Final answer
    x = 10,561.45

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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.