Home / 13,700.77-20,555.21-5,799.22

Finding the Fourth Proportional to 13,700.77, 20,555.21 and 5,799.22

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Solution

The fourth proportional to 13,700.77, 20,555.21 and 5,799.22 is: 8,700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,700.77 : 20,555.21 = 5,799.22 : x
  2. Step 2: Convert to fraction form
    13,700.77/20,555.21 = 5,799.22/x
  3. Step 3: Cross multiply
    13,700.77x = 20,555.21 × 5,799.22
  4. Step 4: Simplify right side
    13,700.77x = 119,204,155.94
  5. Step 5: Solve for x
    x = 119,204,155.94/13,700.77
  6. Step 6: Final answer
    x = 8,700.54

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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.