Home / 15,679.04-23,520.71-5,817.49

Finding the Fourth Proportional to 15,679.04, 23,520.71 and 5,817.49

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Solution

The fourth proportional to 15,679.04, 23,520.71 and 5,817.49 is: 8,727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,679.04 : 23,520.71 = 5,817.49 : x
  2. Step 2: Convert to fraction form
    15,679.04/23,520.71 = 5,817.49/x
  3. Step 3: Cross multiply
    15,679.04x = 23,520.71 × 5,817.49
  4. Step 4: Simplify right side
    15,679.04x = 136,831,450.96
  5. Step 5: Solve for x
    x = 136,831,450.96/15,679.04
  6. Step 6: Final answer
    x = 8,727.03

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1.5x scale

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.