Home / 15,975.20-23,973.60-7,205.60

Finding the Fourth Proportional to 15,975.20, 23,973.60 and 7,205.60

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Solution

The fourth proportional to 15,975.20, 23,973.60 and 7,205.60 is: 10,813.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,975.20 : 23,973.60 = 7,205.60 : x
  2. Step 2: Convert to fraction form
    15,975.20/23,973.60 = 7,205.60/x
  3. Step 3: Cross multiply
    15,975.20x = 23,973.60 × 7,205.60
  4. Step 4: Simplify right side
    15,975.20x = 172,744,172.16
  5. Step 5: Solve for x
    x = 172,744,172.16/15,975.20
  6. Step 6: Final answer
    x = 10,813.27

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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.