Home / 15,197.67-20,970.23-8,483.04

Finding the Fourth Proportional to 15,197.67, 20,970.23 and 8,483.04

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Solution

The fourth proportional to 15,197.67, 20,970.23 and 8,483.04 is: 11,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197.67 : 20,970.23 = 8,483.04 : x
  2. Step 2: Convert to fraction form
    15,197.67/20,970.23 = 8,483.04/x
  3. Step 3: Cross multiply
    15,197.67x = 20,970.23 × 8,483.04
  4. Step 4: Simplify right side
    15,197.67x = 177,891,257.48
  5. Step 5: Solve for x
    x = 177,891,257.48/15,197.67
  6. Step 6: Final answer
    x = 11,705.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.