Home / 39,712.40-59,552.40-13,403.60

Finding the Fourth Proportional to 39,712.40, 59,552.40 and 13,403.60

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Solution

The fourth proportional to 39,712.40, 59,552.40 and 13,403.60 is: 20,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,712.40 : 59,552.40 = 13,403.60 : x
  2. Step 2: Convert to fraction form
    39,712.40/59,552.40 = 13,403.60/x
  3. Step 3: Cross multiply
    39,712.40x = 59,552.40 × 13,403.60
  4. Step 4: Simplify right side
    39,712.40x = 798,216,548.64
  5. Step 5: Solve for x
    x = 798,216,548.64/39,712.40
  6. Step 6: Final answer
    x = 20,099.93

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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.