Home / 39,766.99-59,653.53-13,102.60

Finding the Fourth Proportional to 39,766.99, 59,653.53 and 13,102.60

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Solution

The fourth proportional to 39,766.99, 59,653.53 and 13,102.60 is: 19,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,766.99 : 59,653.53 = 13,102.60 : x
  2. Step 2: Convert to fraction form
    39,766.99/59,653.53 = 13,102.60/x
  3. Step 3: Cross multiply
    39,766.99x = 59,653.53 × 13,102.60
  4. Step 4: Simplify right side
    39,766.99x = 781,616,342.18
  5. Step 5: Solve for x
    x = 781,616,342.18/39,766.99
  6. Step 6: Final answer
    x = 19,654.90

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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.