Home / 43,131.69-64,665.54-13,532.67

Finding the Fourth Proportional to 43,131.69, 64,665.54 and 13,532.67

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Solution

The fourth proportional to 43,131.69, 64,665.54 and 13,532.67 is: 20,288.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,131.69 : 64,665.54 = 13,532.67 : x
  2. Step 2: Convert to fraction form
    43,131.69/64,665.54 = 13,532.67/x
  3. Step 3: Cross multiply
    43,131.69x = 64,665.54 × 13,532.67
  4. Step 4: Simplify right side
    43,131.69x = 875,097,413.19
  5. Step 5: Solve for x
    x = 875,097,413.19/43,131.69
  6. Step 6: Final answer
    x = 20,288.97

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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.