Home / 13,244.68-18,267.01-11,647.90

Finding the Fourth Proportional to 13,244.68, 18,267.01 and 11,647.90

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Solution

The fourth proportional to 13,244.68, 18,267.01 and 11,647.90 is: 16,064.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.68 : 18,267.01 = 11,647.90 : x
  2. Step 2: Convert to fraction form
    13,244.68/18,267.01 = 11,647.90/x
  3. Step 3: Cross multiply
    13,244.68x = 18,267.01 × 11,647.90
  4. Step 4: Simplify right side
    13,244.68x = 212,772,305.78
  5. Step 5: Solve for x
    x = 212,772,305.78/13,244.68
  6. Step 6: Final answer
    x = 16,064.74

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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.