Home / 25,750.10-38,615.42-11,889.38

Finding the Fourth Proportional to 25,750.10, 38,615.42 and 11,889.38

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Solution

The fourth proportional to 25,750.10, 38,615.42 and 11,889.38 is: 17,829.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,750.10 : 38,615.42 = 11,889.38 : x
  2. Step 2: Convert to fraction form
    25,750.10/38,615.42 = 11,889.38/x
  3. Step 3: Cross multiply
    25,750.10x = 38,615.42 × 11,889.38
  4. Step 4: Simplify right side
    25,750.10x = 459,113,238.89
  5. Step 5: Solve for x
    x = 459,113,238.89/25,750.10
  6. Step 6: Final answer
    x = 17,829.57

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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.