Home / 15,644.80-23,474.71-9,720.08

Finding the Fourth Proportional to 15,644.80, 23,474.71 and 9,720.08

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Solution

The fourth proportional to 15,644.80, 23,474.71 and 9,720.08 is: 14,584.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644.80 : 23,474.71 = 9,720.08 : x
  2. Step 2: Convert to fraction form
    15,644.80/23,474.71 = 9,720.08/x
  3. Step 3: Cross multiply
    15,644.80x = 23,474.71 × 9,720.08
  4. Step 4: Simplify right side
    15,644.80x = 228,175,975.96
  5. Step 5: Solve for x
    x = 228,175,975.96/15,644.80
  6. Step 6: Final answer
    x = 14,584.78

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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.