Home / 17,865.90-26,798.30-4,718.34

Finding the Fourth Proportional to 17,865.90, 26,798.30 and 4,718.34

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Solution

The fourth proportional to 17,865.90, 26,798.30 and 4,718.34 is: 7,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865.90 : 26,798.30 = 4,718.34 : x
  2. Step 2: Convert to fraction form
    17,865.90/26,798.30 = 4,718.34/x
  3. Step 3: Cross multiply
    17,865.90x = 26,798.30 × 4,718.34
  4. Step 4: Simplify right side
    17,865.90x = 126,443,490.82
  5. Step 5: Solve for x
    x = 126,443,490.82/17,865.90
  6. Step 6: Final answer
    x = 7,077.36

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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.