Home / 43,022.02-64,535.87-11,431.63

Finding the Fourth Proportional to 43,022.02, 64,535.87 and 11,431.63

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Solution

The fourth proportional to 43,022.02, 64,535.87 and 11,431.63 is: 17,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,022.02 : 64,535.87 = 11,431.63 : x
  2. Step 2: Convert to fraction form
    43,022.02/64,535.87 = 11,431.63/x
  3. Step 3: Cross multiply
    43,022.02x = 64,535.87 × 11,431.63
  4. Step 4: Simplify right side
    43,022.02x = 737,750,296.82
  5. Step 5: Solve for x
    x = 737,750,296.82/43,022.02
  6. Step 6: Final answer
    x = 17,148.20

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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.