Home / 15,976.20-23,975.10-7,206.60

Finding the Fourth Proportional to 15,976.20, 23,975.10 and 7,206.60

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Solution

The fourth proportional to 15,976.20, 23,975.10 and 7,206.60 is: 10,814.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976.20 : 23,975.10 = 7,206.60 : x
  2. Step 2: Convert to fraction form
    15,976.20/23,975.10 = 7,206.60/x
  3. Step 3: Cross multiply
    15,976.20x = 23,975.10 × 7,206.60
  4. Step 4: Simplify right side
    15,976.20x = 172,778,955.66
  5. Step 5: Solve for x
    x = 172,778,955.66/15,976.20
  6. Step 6: Final answer
    x = 10,814.77

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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.