Home / 15,945.89-23,918.83-5,417.01

Finding the Fourth Proportional to 15,945.89, 23,918.83 and 5,417.01

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Solution

The fourth proportional to 15,945.89, 23,918.83 and 5,417.01 is: 8,125.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.89 : 23,918.83 = 5,417.01 : x
  2. Step 2: Convert to fraction form
    15,945.89/23,918.83 = 5,417.01/x
  3. Step 3: Cross multiply
    15,945.89x = 23,918.83 × 5,417.01
  4. Step 4: Simplify right side
    15,945.89x = 129,568,527.76
  5. Step 5: Solve for x
    x = 129,568,527.76/15,945.89
  6. Step 6: Final answer
    x = 8,125.52

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.