Home / 15,208.20-22,812.30-10,542.60

Finding the Fourth Proportional to 15,208.20, 22,812.30 and 10,542.60

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Solution

The fourth proportional to 15,208.20, 22,812.30 and 10,542.60 is: 15,813.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,208.20 : 22,812.30 = 10,542.60 : x
  2. Step 2: Convert to fraction form
    15,208.20/22,812.30 = 10,542.60/x
  3. Step 3: Cross multiply
    15,208.20x = 22,812.30 × 10,542.60
  4. Step 4: Simplify right side
    15,208.20x = 240,500,953.98
  5. Step 5: Solve for x
    x = 240,500,953.98/15,208.20
  6. Step 6: Final answer
    x = 15,813.90

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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.