Home / 13,592.24-18,756.32-7,542.80

Finding the Fourth Proportional to 13,592.24, 18,756.32 and 7,542.80

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Solution

The fourth proportional to 13,592.24, 18,756.32 and 7,542.80 is: 10,408.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.24 : 18,756.32 = 7,542.80 : x
  2. Step 2: Convert to fraction form
    13,592.24/18,756.32 = 7,542.80/x
  3. Step 3: Cross multiply
    13,592.24x = 18,756.32 × 7,542.80
  4. Step 4: Simplify right side
    13,592.24x = 141,475,170.50
  5. Step 5: Solve for x
    x = 141,475,170.50/13,592.24
  6. Step 6: Final answer
    x = 10,408.53

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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.