Home / 13,064.93-18,022.69-8,276.43

Finding the Fourth Proportional to 13,064.93, 18,022.69 and 8,276.43

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Solution

The fourth proportional to 13,064.93, 18,022.69 and 8,276.43 is: 11,417.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064.93 : 18,022.69 = 8,276.43 : x
  2. Step 2: Convert to fraction form
    13,064.93/18,022.69 = 8,276.43/x
  3. Step 3: Cross multiply
    13,064.93x = 18,022.69 × 8,276.43
  4. Step 4: Simplify right side
    13,064.93x = 149,163,458.06
  5. Step 5: Solve for x
    x = 149,163,458.06/13,064.93
  6. Step 6: Final answer
    x = 11,417.09

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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.