Home / 18,118.24-24,994.56-12,071.29

Finding the Fourth Proportional to 18,118.24, 24,994.56 and 12,071.29

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Solution

The fourth proportional to 18,118.24, 24,994.56 and 12,071.29 is: 16,652.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.24 : 24,994.56 = 12,071.29 : x
  2. Step 2: Convert to fraction form
    18,118.24/24,994.56 = 12,071.29/x
  3. Step 3: Cross multiply
    18,118.24x = 24,994.56 × 12,071.29
  4. Step 4: Simplify right side
    18,118.24x = 301,716,630.00
  5. Step 5: Solve for x
    x = 301,716,630.00/18,118.24
  6. Step 6: Final answer
    x = 16,652.64

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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.