Home / 15,817.42-23,727.21-4,723.90

Finding the Fourth Proportional to 15,817.42, 23,727.21 and 4,723.90

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Solution

The fourth proportional to 15,817.42, 23,727.21 and 4,723.90 is: 7,086.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,817.42 : 23,727.21 = 4,723.90 : x
  2. Step 2: Convert to fraction form
    15,817.42/23,727.21 = 4,723.90/x
  3. Step 3: Cross multiply
    15,817.42x = 23,727.21 × 4,723.90
  4. Step 4: Simplify right side
    15,817.42x = 112,084,967.32
  5. Step 5: Solve for x
    x = 112,084,967.32/15,817.42
  6. Step 6: Final answer
    x = 7,086.17

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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.