Home / 13,767.30-20,639.34-5,970.24

Finding the Fourth Proportional to 13,767.30, 20,639.34 and 5,970.24

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Solution

The fourth proportional to 13,767.30, 20,639.34 and 5,970.24 is: 8,950.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.30 : 20,639.34 = 5,970.24 : x
  2. Step 2: Convert to fraction form
    13,767.30/20,639.34 = 5,970.24/x
  3. Step 3: Cross multiply
    13,767.30x = 20,639.34 × 5,970.24
  4. Step 4: Simplify right side
    13,767.30x = 123,221,813.24
  5. Step 5: Solve for x
    x = 123,221,813.24/13,767.30
  6. Step 6: Final answer
    x = 8,950.33

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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.