Home / 39,983.58-59,935.23-13,670.33

Finding the Fourth Proportional to 39,983.58, 59,935.23 and 13,670.33

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Solution

The fourth proportional to 39,983.58, 59,935.23 and 13,670.33 is: 20,491.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983.58 : 59,935.23 = 13,670.33 : x
  2. Step 2: Convert to fraction form
    39,983.58/59,935.23 = 13,670.33/x
  3. Step 3: Cross multiply
    39,983.58x = 59,935.23 × 13,670.33
  4. Step 4: Simplify right side
    39,983.58x = 819,334,073.05
  5. Step 5: Solve for x
    x = 819,334,073.05/39,983.58
  6. Step 6: Final answer
    x = 20,491.76

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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.