Home / 13,211.64-19,817.47-3,350.92

Finding the Fourth Proportional to 13,211.64, 19,817.47 and 3,350.92

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Solution

The fourth proportional to 13,211.64, 19,817.47 and 3,350.92 is: 5,026.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211.64 : 19,817.47 = 3,350.92 : x
  2. Step 2: Convert to fraction form
    13,211.64/19,817.47 = 3,350.92/x
  3. Step 3: Cross multiply
    13,211.64x = 19,817.47 × 3,350.92
  4. Step 4: Simplify right side
    13,211.64x = 66,406,756.57
  5. Step 5: Solve for x
    x = 66,406,756.57/13,211.64
  6. Step 6: Final answer
    x = 5,026.38

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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.