Home / 13,634.98-18,807.30-11,613.22

Finding the Fourth Proportional to 13,634.98, 18,807.30 and 11,613.22

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Solution

The fourth proportional to 13,634.98, 18,807.30 and 11,613.22 is: 16,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.98 : 18,807.30 = 11,613.22 : x
  2. Step 2: Convert to fraction form
    13,634.98/18,807.30 = 11,613.22/x
  3. Step 3: Cross multiply
    13,634.98x = 18,807.30 × 11,613.22
  4. Step 4: Simplify right side
    13,634.98x = 218,413,312.51
  5. Step 5: Solve for x
    x = 218,413,312.51/13,634.98
  6. Step 6: Final answer
    x = 16,018.60

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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.