Home / 22,459.11-30,993.51-12,899.62

Finding the Fourth Proportional to 22,459.11, 30,993.51 and 12,899.62

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Solution

The fourth proportional to 22,459.11, 30,993.51 and 12,899.62 is: 17,801.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,459.11 : 30,993.51 = 12,899.62 : x
  2. Step 2: Convert to fraction form
    22,459.11/30,993.51 = 12,899.62/x
  3. Step 3: Cross multiply
    22,459.11x = 30,993.51 × 12,899.62
  4. Step 4: Simplify right side
    22,459.11x = 399,804,588.58
  5. Step 5: Solve for x
    x = 399,804,588.58/22,459.11
  6. Step 6: Final answer
    x = 17,801.44

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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.