Home / 43,141.80-64,712.66-13,562.22

Finding the Fourth Proportional to 43,141.80, 64,712.66 and 13,562.22

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Solution

The fourth proportional to 43,141.80, 64,712.66 and 13,562.22 is: 20,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,141.80 : 64,712.66 = 13,562.22 : x
  2. Step 2: Convert to fraction form
    43,141.80/64,712.66 = 13,562.22/x
  3. Step 3: Cross multiply
    43,141.80x = 64,712.66 × 13,562.22
  4. Step 4: Simplify right side
    43,141.80x = 877,647,263.89
  5. Step 5: Solve for x
    x = 877,647,263.89/43,141.80
  6. Step 6: Final answer
    x = 20,343.32

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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.