Home / 39,932.70-59,903.76-13,281.12

Finding the Fourth Proportional to 39,932.70, 59,903.76 and 13,281.12

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Solution

The fourth proportional to 39,932.70, 59,903.76 and 13,281.12 is: 19,923.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,932.70 : 59,903.76 = 13,281.12 : x
  2. Step 2: Convert to fraction form
    39,932.70/59,903.76 = 13,281.12/x
  3. Step 3: Cross multiply
    39,932.70x = 59,903.76 × 13,281.12
  4. Step 4: Simplify right side
    39,932.70x = 795,589,025.01
  5. Step 5: Solve for x
    x = 795,589,025.01/39,932.70
  6. Step 6: Final answer
    x = 19,923.25

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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.