Home / 17,913.92-26,868.40-4,767.36

Finding the Fourth Proportional to 17,913.92, 26,868.40 and 4,767.36

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Solution

The fourth proportional to 17,913.92, 26,868.40 and 4,767.36 is: 7,150.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,913.92 : 26,868.40 = 4,767.36 : x
  2. Step 2: Convert to fraction form
    17,913.92/26,868.40 = 4,767.36/x
  3. Step 3: Cross multiply
    17,913.92x = 26,868.40 × 4,767.36
  4. Step 4: Simplify right side
    17,913.92x = 128,091,335.42
  5. Step 5: Solve for x
    x = 128,091,335.42/17,913.92
  6. Step 6: Final answer
    x = 7,150.38

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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.