Home / 13,476.66-20,214.30-5,156.03

Finding the Fourth Proportional to 13,476.66, 20,214.30 and 5,156.03

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Solution

The fourth proportional to 13,476.66, 20,214.30 and 5,156.03 is: 7,733.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.66 : 20,214.30 = 5,156.03 : x
  2. Step 2: Convert to fraction form
    13,476.66/20,214.30 = 5,156.03/x
  3. Step 3: Cross multiply
    13,476.66x = 20,214.30 × 5,156.03
  4. Step 4: Simplify right side
    13,476.66x = 104,225,537.23
  5. Step 5: Solve for x
    x = 104,225,537.23/13,476.66
  6. Step 6: Final answer
    x = 7,733.78

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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.