Home / 43,283.14-64,918.19-13,697.12

Finding the Fourth Proportional to 43,283.14, 64,918.19 and 13,697.12

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Solution

The fourth proportional to 43,283.14, 64,918.19 and 13,697.12 is: 20,543.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,283.14 : 64,918.19 = 13,697.12 : x
  2. Step 2: Convert to fraction form
    43,283.14/64,918.19 = 13,697.12/x
  3. Step 3: Cross multiply
    43,283.14x = 64,918.19 × 13,697.12
  4. Step 4: Simplify right side
    43,283.14x = 889,192,435.15
  5. Step 5: Solve for x
    x = 889,192,435.15/43,283.14
  6. Step 6: Final answer
    x = 20,543.62

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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.