Home / 39,511.60-59,274.78-13,216.48

Finding the Fourth Proportional to 39,511.60, 59,274.78 and 13,216.48

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Solution

The fourth proportional to 39,511.60, 59,274.78 and 13,216.48 is: 19,827.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,511.60 : 59,274.78 = 13,216.48 : x
  2. Step 2: Convert to fraction form
    39,511.60/59,274.78 = 13,216.48/x
  3. Step 3: Cross multiply
    39,511.60x = 59,274.78 × 13,216.48
  4. Step 4: Simplify right side
    39,511.60x = 783,403,944.37
  5. Step 5: Solve for x
    x = 783,403,944.37/39,511.60
  6. Step 6: Final answer
    x = 19,827.19

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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.