Home / 15,808.80-23,714.46-4,715.28

Finding the Fourth Proportional to 15,808.80, 23,714.46 and 4,715.28

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Solution

The fourth proportional to 15,808.80, 23,714.46 and 4,715.28 is: 7,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,808.80 : 23,714.46 = 4,715.28 : x
  2. Step 2: Convert to fraction form
    15,808.80/23,714.46 = 4,715.28/x
  3. Step 3: Cross multiply
    15,808.80x = 23,714.46 × 4,715.28
  4. Step 4: Simplify right side
    15,808.80x = 111,820,318.95
  5. Step 5: Solve for x
    x = 111,820,318.95/15,808.80
  6. Step 6: Final answer
    x = 7,073.30

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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.