Home / 18,125.09-27,207.52-14,400.81

Finding the Fourth Proportional to 18,125.09, 27,207.52 and 14,400.81

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Solution

The fourth proportional to 18,125.09, 27,207.52 and 14,400.81 is: 21,617.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.09 : 27,207.52 = 14,400.81 : x
  2. Step 2: Convert to fraction form
    18,125.09/27,207.52 = 14,400.81/x
  3. Step 3: Cross multiply
    18,125.09x = 27,207.52 × 14,400.81
  4. Step 4: Simplify right side
    18,125.09x = 391,810,118.05
  5. Step 5: Solve for x
    x = 391,810,118.05/18,125.09
  6. Step 6: Final answer
    x = 21,617.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.