Home / 42,817.26-64,232.02-13,237.39

Finding the Fourth Proportional to 42,817.26, 64,232.02 and 13,237.39

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Solution

The fourth proportional to 42,817.26, 64,232.02 and 13,237.39 is: 19,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,817.26 : 64,232.02 = 13,237.39 : x
  2. Step 2: Convert to fraction form
    42,817.26/64,232.02 = 13,237.39/x
  3. Step 3: Cross multiply
    42,817.26x = 64,232.02 × 13,237.39
  4. Step 4: Simplify right side
    42,817.26x = 850,263,978.07
  5. Step 5: Solve for x
    x = 850,263,978.07/42,817.26
  6. Step 6: Final answer
    x = 19,857.97

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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.