Home / 39,945.54-59,925.36-13,644.12

Finding the Fourth Proportional to 39,945.54, 59,925.36 and 13,644.12

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Solution

The fourth proportional to 39,945.54, 59,925.36 and 13,644.12 is: 20,468.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,945.54 : 59,925.36 = 13,644.12 : x
  2. Step 2: Convert to fraction form
    39,945.54/59,925.36 = 13,644.12/x
  3. Step 3: Cross multiply
    39,945.54x = 59,925.36 × 13,644.12
  4. Step 4: Simplify right side
    39,945.54x = 817,628,802.88
  5. Step 5: Solve for x
    x = 817,628,802.88/39,945.54
  6. Step 6: Final answer
    x = 20,468.59

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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.