Home / 13,375.04-20,154.53-11,086.45

Finding the Fourth Proportional to 13,375.04, 20,154.53 and 11,086.45

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Solution

The fourth proportional to 13,375.04, 20,154.53 and 11,086.45 is: 16,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375.04 : 20,154.53 = 11,086.45 : x
  2. Step 2: Convert to fraction form
    13,375.04/20,154.53 = 11,086.45/x
  3. Step 3: Cross multiply
    13,375.04x = 20,154.53 × 11,086.45
  4. Step 4: Simplify right side
    13,375.04x = 223,442,166.45
  5. Step 5: Solve for x
    x = 223,442,166.45/13,375.04
  6. Step 6: Final answer
    x = 16,705.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.