Home / 13,560.48-20,338.63-3,700.56

Finding the Fourth Proportional to 13,560.48, 20,338.63 and 3,700.56

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Solution

The fourth proportional to 13,560.48, 20,338.63 and 3,700.56 is: 5,550.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.48 : 20,338.63 = 3,700.56 : x
  2. Step 2: Convert to fraction form
    13,560.48/20,338.63 = 3,700.56/x
  3. Step 3: Cross multiply
    13,560.48x = 20,338.63 × 3,700.56
  4. Step 4: Simplify right side
    13,560.48x = 75,264,320.63
  5. Step 5: Solve for x
    x = 75,264,320.63/13,560.48
  6. Step 6: Final answer
    x = 5,550.27

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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.