Home / 25,121.30-34,670.98-15,050.16

Finding the Fourth Proportional to 25,121.30, 34,670.98 and 15,050.16

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Solution

The fourth proportional to 25,121.30, 34,670.98 and 15,050.16 is: 20,771.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,121.30 : 34,670.98 = 15,050.16 : x
  2. Step 2: Convert to fraction form
    25,121.30/34,670.98 = 15,050.16/x
  3. Step 3: Cross multiply
    25,121.30x = 34,670.98 × 15,050.16
  4. Step 4: Simplify right side
    25,121.30x = 521,803,796.36
  5. Step 5: Solve for x
    x = 521,803,796.36/25,121.30
  6. Step 6: Final answer
    x = 20,771.37

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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.