Home / 18,441.09-25,448.38-10,785.11

Finding the Fourth Proportional to 18,441.09, 25,448.38 and 10,785.11

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Solution

The fourth proportional to 18,441.09, 25,448.38 and 10,785.11 is: 14,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441.09 : 25,448.38 = 10,785.11 : x
  2. Step 2: Convert to fraction form
    18,441.09/25,448.38 = 10,785.11/x
  3. Step 3: Cross multiply
    18,441.09x = 25,448.38 × 10,785.11
  4. Step 4: Simplify right side
    18,441.09x = 274,463,423.42
  5. Step 5: Solve for x
    x = 274,463,423.42/18,441.09
  6. Step 6: Final answer
    x = 14,883.25

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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.