Home / 13,757.43-20,637.54-4,993.05

Finding the Fourth Proportional to 13,757.43, 20,637.54 and 4,993.05

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Solution

The fourth proportional to 13,757.43, 20,637.54 and 4,993.05 is: 7,490.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757.43 : 20,637.54 = 4,993.05 : x
  2. Step 2: Convert to fraction form
    13,757.43/20,637.54 = 4,993.05/x
  3. Step 3: Cross multiply
    13,757.43x = 20,637.54 × 4,993.05
  4. Step 4: Simplify right side
    13,757.43x = 103,044,269.10
  5. Step 5: Solve for x
    x = 103,044,269.10/13,757.43
  6. Step 6: Final answer
    x = 7,490.08

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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.