Home / 39,960.54-59,926.70-13,299.32

Finding the Fourth Proportional to 39,960.54, 59,926.70 and 13,299.32

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Solution

The fourth proportional to 39,960.54, 59,926.70 and 13,299.32 is: 19,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960.54 : 59,926.70 = 13,299.32 : x
  2. Step 2: Convert to fraction form
    39,960.54/59,926.70 = 13,299.32/x
  3. Step 3: Cross multiply
    39,960.54x = 59,926.70 × 13,299.32
  4. Step 4: Simplify right side
    39,960.54x = 796,984,293.35
  5. Step 5: Solve for x
    x = 796,984,293.35/39,960.54
  6. Step 6: Final answer
    x = 19,944.28

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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.