Home / 15,196.34-20,970.77-8,483.62

Finding the Fourth Proportional to 15,196.34, 20,970.77 and 8,483.62

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Solution

The fourth proportional to 15,196.34, 20,970.77 and 8,483.62 is: 11,707.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196.34 : 20,970.77 = 8,483.62 : x
  2. Step 2: Convert to fraction form
    15,196.34/20,970.77 = 8,483.62/x
  3. Step 3: Cross multiply
    15,196.34x = 20,970.77 × 8,483.62
  4. Step 4: Simplify right side
    15,196.34x = 177,907,948.94
  5. Step 5: Solve for x
    x = 177,907,948.94/15,196.34
  6. Step 6: Final answer
    x = 11,707.29

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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.