Home / 25,242.53-34,829.58-15,805.63

Finding the Fourth Proportional to 25,242.53, 34,829.58 and 15,805.63

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Solution

The fourth proportional to 25,242.53, 34,829.58 and 15,805.63 is: 21,808.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,242.53 : 34,829.58 = 15,805.63 : x
  2. Step 2: Convert to fraction form
    25,242.53/34,829.58 = 15,805.63/x
  3. Step 3: Cross multiply
    25,242.53x = 34,829.58 × 15,805.63
  4. Step 4: Simplify right side
    25,242.53x = 550,503,201.36
  5. Step 5: Solve for x
    x = 550,503,201.36/25,242.53
  6. Step 6: Final answer
    x = 21,808.56

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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.