Home / 17,702.80-26,555.20-4,555.28

Finding the Fourth Proportional to 17,702.80, 26,555.20 and 4,555.28

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Solution

The fourth proportional to 17,702.80, 26,555.20 and 4,555.28 is: 6,833.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,702.80 : 26,555.20 = 4,555.28 : x
  2. Step 2: Convert to fraction form
    17,702.80/26,555.20 = 4,555.28/x
  3. Step 3: Cross multiply
    17,702.80x = 26,555.20 × 4,555.28
  4. Step 4: Simplify right side
    17,702.80x = 120,966,371.46
  5. Step 5: Solve for x
    x = 120,966,371.46/17,702.80
  6. Step 6: Final answer
    x = 6,833.18

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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.