Home / 43,415.50-65,122.54-13,832.93

Finding the Fourth Proportional to 43,415.50, 65,122.54 and 13,832.93

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Solution

The fourth proportional to 43,415.50, 65,122.54 and 13,832.93 is: 20,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,415.50 : 65,122.54 = 13,832.93 : x
  2. Step 2: Convert to fraction form
    43,415.50/65,122.54 = 13,832.93/x
  3. Step 3: Cross multiply
    43,415.50x = 65,122.54 × 13,832.93
  4. Step 4: Simplify right side
    43,415.50x = 900,835,665.47
  5. Step 5: Solve for x
    x = 900,835,665.47/43,415.50
  6. Step 6: Final answer
    x = 20,749.17

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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.