Home / 18,968.87-26,178.49-10,472.63

Finding the Fourth Proportional to 18,968.87, 26,178.49 and 10,472.63

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Solution

The fourth proportional to 18,968.87, 26,178.49 and 10,472.63 is: 14,453.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968.87 : 26,178.49 = 10,472.63 : x
  2. Step 2: Convert to fraction form
    18,968.87/26,178.49 = 10,472.63/x
  3. Step 3: Cross multiply
    18,968.87x = 26,178.49 × 10,472.63
  4. Step 4: Simplify right side
    18,968.87x = 274,157,548.10
  5. Step 5: Solve for x
    x = 274,157,548.10/18,968.87
  6. Step 6: Final answer
    x = 14,453.03

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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.