Home / 18,747.57-25,871.67-10,364.07

Finding the Fourth Proportional to 18,747.57, 25,871.67 and 10,364.07

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Solution

The fourth proportional to 18,747.57, 25,871.67 and 10,364.07 is: 14,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.57 : 25,871.67 = 10,364.07 : x
  2. Step 2: Convert to fraction form
    18,747.57/25,871.67 = 10,364.07/x
  3. Step 3: Cross multiply
    18,747.57x = 25,871.67 × 10,364.07
  4. Step 4: Simplify right side
    18,747.57x = 268,135,798.90
  5. Step 5: Solve for x
    x = 268,135,798.90/18,747.57
  6. Step 6: Final answer
    x = 14,302.43

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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.