Home / 15,166.47-20,930.33-8,452.04

Finding the Fourth Proportional to 15,166.47, 20,930.33 and 8,452.04

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Solution

The fourth proportional to 15,166.47, 20,930.33 and 8,452.04 is: 11,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,166.47 : 20,930.33 = 8,452.04 : x
  2. Step 2: Convert to fraction form
    15,166.47/20,930.33 = 8,452.04/x
  3. Step 3: Cross multiply
    15,166.47x = 20,930.33 × 8,452.04
  4. Step 4: Simplify right side
    15,166.47x = 176,903,955.18
  5. Step 5: Solve for x
    x = 176,903,955.18/15,166.47
  6. Step 6: Final answer
    x = 11,664.15

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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.