Home / 25,770.18-38,666.27-10,986.06

Finding the Fourth Proportional to 25,770.18, 38,666.27 and 10,986.06

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Solution

The fourth proportional to 25,770.18, 38,666.27 and 10,986.06 is: 16,483.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,770.18 : 38,666.27 = 10,986.06 : x
  2. Step 2: Convert to fraction form
    25,770.18/38,666.27 = 10,986.06/x
  3. Step 3: Cross multiply
    25,770.18x = 38,666.27 × 10,986.06
  4. Step 4: Simplify right side
    25,770.18x = 424,789,713.93
  5. Step 5: Solve for x
    x = 424,789,713.93/25,770.18
  6. Step 6: Final answer
    x = 16,483.77

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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.