Home / 18,015.09-24,873.12-11,738.40

Finding the Fourth Proportional to 18,015.09, 24,873.12 and 11,738.40

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Solution

The fourth proportional to 18,015.09, 24,873.12 and 11,738.40 is: 16,207.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.09 : 24,873.12 = 11,738.40 : x
  2. Step 2: Convert to fraction form
    18,015.09/24,873.12 = 11,738.40/x
  3. Step 3: Cross multiply
    18,015.09x = 24,873.12 × 11,738.40
  4. Step 4: Simplify right side
    18,015.09x = 291,970,631.81
  5. Step 5: Solve for x
    x = 291,970,631.81/18,015.09
  6. Step 6: Final answer
    x = 16,207.00

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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.