Home / 16,929.79-25,397.63-7,076

Finding the Fourth Proportional to 16,929.79, 25,397.63 and 7,076

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Solution

The fourth proportional to 16,929.79, 25,397.63 and 7,076 is: 10,615.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.79 : 25,397.63 = 7,076 : x
  2. Step 2: Convert to fraction form
    16,929.79/25,397.63 = 7,076/x
  3. Step 3: Cross multiply
    16,929.79x = 25,397.63 × 7,076
  4. Step 4: Simplify right side
    16,929.79x = 179,713,629.88
  5. Step 5: Solve for x
    x = 179,713,629.88/16,929.79
  6. Step 6: Final answer
    x = 10,615.23

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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.