Home / 18,850.55-26,009.12-10,674.29

Finding the Fourth Proportional to 18,850.55, 26,009.12 and 10,674.29

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Solution

The fourth proportional to 18,850.55, 26,009.12 and 10,674.29 is: 14,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.55 : 26,009.12 = 10,674.29 : x
  2. Step 2: Convert to fraction form
    18,850.55/26,009.12 = 10,674.29/x
  3. Step 3: Cross multiply
    18,850.55x = 26,009.12 × 10,674.29
  4. Step 4: Simplify right side
    18,850.55x = 277,628,981.23
  5. Step 5: Solve for x
    x = 277,628,981.23/18,850.55
  6. Step 6: Final answer
    x = 14,727.90

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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.