Home / 18,952.18-28,433.73-5,806.49

Finding the Fourth Proportional to 18,952.18, 28,433.73 and 5,806.49

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Solution

The fourth proportional to 18,952.18, 28,433.73 and 5,806.49 is: 8,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952.18 : 28,433.73 = 5,806.49 : x
  2. Step 2: Convert to fraction form
    18,952.18/28,433.73 = 5,806.49/x
  3. Step 3: Cross multiply
    18,952.18x = 28,433.73 × 5,806.49
  4. Step 4: Simplify right side
    18,952.18x = 165,100,048.51
  5. Step 5: Solve for x
    x = 165,100,048.51/18,952.18
  6. Step 6: Final answer
    x = 8,711.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.