Home / 39,630.81-59,455.32-13,334.85

Finding the Fourth Proportional to 39,630.81, 59,455.32 and 13,334.85

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Solution

The fourth proportional to 39,630.81, 59,455.32 and 13,334.85 is: 20,005.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,630.81 : 59,455.32 = 13,334.85 : x
  2. Step 2: Convert to fraction form
    39,630.81/59,455.32 = 13,334.85/x
  3. Step 3: Cross multiply
    39,630.81x = 59,455.32 × 13,334.85
  4. Step 4: Simplify right side
    39,630.81x = 792,827,773.90
  5. Step 5: Solve for x
    x = 792,827,773.90/39,630.81
  6. Step 6: Final answer
    x = 20,005.34

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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.