Home / 25,918.08-38,871.36-10,922.88

Finding the Fourth Proportional to 25,918.08, 38,871.36 and 10,922.88

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Solution

The fourth proportional to 25,918.08, 38,871.36 and 10,922.88 is: 16,381.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,918.08 : 38,871.36 = 10,922.88 : x
  2. Step 2: Convert to fraction form
    25,918.08/38,871.36 = 10,922.88/x
  3. Step 3: Cross multiply
    25,918.08x = 38,871.36 × 10,922.88
  4. Step 4: Simplify right side
    25,918.08x = 424,587,200.72
  5. Step 5: Solve for x
    x = 424,587,200.72/25,918.08
  6. Step 6: Final answer
    x = 16,381.89

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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.