Home / 13,062.21-19,574.20-8,116.89

Finding the Fourth Proportional to 13,062.21, 19,574.20 and 8,116.89

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Solution

The fourth proportional to 13,062.21, 19,574.20 and 8,116.89 is: 12,163.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.21 : 19,574.20 = 8,116.89 : x
  2. Step 2: Convert to fraction form
    13,062.21/19,574.20 = 8,116.89/x
  3. Step 3: Cross multiply
    13,062.21x = 19,574.20 × 8,116.89
  4. Step 4: Simplify right side
    13,062.21x = 158,881,628.24
  5. Step 5: Solve for x
    x = 158,881,628.24/13,062.21
  6. Step 6: Final answer
    x = 12,163.46

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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.