Home / 25,918.56-35,750.70-15,299.46

Finding the Fourth Proportional to 25,918.56, 35,750.70 and 15,299.46

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Solution

The fourth proportional to 25,918.56, 35,750.70 and 15,299.46 is: 21,103.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,918.56 : 35,750.70 = 15,299.46 : x
  2. Step 2: Convert to fraction form
    25,918.56/35,750.70 = 15,299.46/x
  3. Step 3: Cross multiply
    25,918.56x = 35,750.70 × 15,299.46
  4. Step 4: Simplify right side
    25,918.56x = 546,966,404.62
  5. Step 5: Solve for x
    x = 546,966,404.62/25,918.56
  6. Step 6: Final answer
    x = 21,103.27

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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.