Home / 25,120.02-34,670.66-15,054.42

Finding the Fourth Proportional to 25,120.02, 34,670.66 and 15,054.42

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Solution

The fourth proportional to 25,120.02, 34,670.66 and 15,054.42 is: 20,778.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120.02 : 34,670.66 = 15,054.42 : x
  2. Step 2: Convert to fraction form
    25,120.02/34,670.66 = 15,054.42/x
  3. Step 3: Cross multiply
    25,120.02x = 34,670.66 × 15,054.42
  4. Step 4: Simplify right side
    25,120.02x = 521,946,677.32
  5. Step 5: Solve for x
    x = 521,946,677.32/25,120.02
  6. Step 6: Final answer
    x = 20,778.12

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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.