Home / 16,927.61-25,383.40-5,076.81

Finding the Fourth Proportional to 16,927.61, 25,383.40 and 5,076.81

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Solution

The fourth proportional to 16,927.61, 25,383.40 and 5,076.81 is: 7,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,927.61 : 25,383.40 = 5,076.81 : x
  2. Step 2: Convert to fraction form
    16,927.61/25,383.40 = 5,076.81/x
  3. Step 3: Cross multiply
    16,927.61x = 25,383.40 × 5,076.81
  4. Step 4: Simplify right side
    16,927.61x = 128,866,686.26
  5. Step 5: Solve for x
    x = 128,866,686.26/16,927.61
  6. Step 6: Final answer
    x = 7,612.81

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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.