Home / 18,316.65-25,277.03-9,933.15

Finding the Fourth Proportional to 18,316.65, 25,277.03 and 9,933.15

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Solution

The fourth proportional to 18,316.65, 25,277.03 and 9,933.15 is: 13,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.65 : 25,277.03 = 9,933.15 : x
  2. Step 2: Convert to fraction form
    18,316.65/25,277.03 = 9,933.15/x
  3. Step 3: Cross multiply
    18,316.65x = 25,277.03 × 9,933.15
  4. Step 4: Simplify right side
    18,316.65x = 251,080,530.54
  5. Step 5: Solve for x
    x = 251,080,530.54/18,316.65
  6. Step 6: Final answer
    x = 13,707.78

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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.