Home / 16,670.34-25,005.57-4,824.78

Finding the Fourth Proportional to 16,670.34, 25,005.57 and 4,824.78

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Solution

The fourth proportional to 16,670.34, 25,005.57 and 4,824.78 is: 7,237.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,670.34 : 25,005.57 = 4,824.78 : x
  2. Step 2: Convert to fraction form
    16,670.34/25,005.57 = 4,824.78/x
  3. Step 3: Cross multiply
    16,670.34x = 25,005.57 × 4,824.78
  4. Step 4: Simplify right side
    16,670.34x = 120,646,374.02
  5. Step 5: Solve for x
    x = 120,646,374.02/16,670.34
  6. Step 6: Final answer
    x = 7,237.19

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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.