Home / 18,969.94-26,178.51-10,472.06

Finding the Fourth Proportional to 18,969.94, 26,178.51 and 10,472.06

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Solution

The fourth proportional to 18,969.94, 26,178.51 and 10,472.06 is: 14,451.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,969.94 : 26,178.51 = 10,472.06 : x
  2. Step 2: Convert to fraction form
    18,969.94/26,178.51 = 10,472.06/x
  3. Step 3: Cross multiply
    18,969.94x = 26,178.51 × 10,472.06
  4. Step 4: Simplify right side
    18,969.94x = 274,143,032.15
  5. Step 5: Solve for x
    x = 274,143,032.15/18,969.94
  6. Step 6: Final answer
    x = 14,451.44

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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.